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>>>/en/ - General (Hide threads from this board)
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Have you went outside today hikarin? The sun is good for you, you know.

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I haven't been outside in a couple of days, and I don't wanna go outside!

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>>12478 The outside is good for you though. Sunlight and fresh air are good for the mind and body.

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>>12485 We see through you, 3D succubus, you can't fool us out of neethood!

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i brought a patch of grass to my room and now i touch grass everyday! nya

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yes but at night


>>>/en/ - General (Hide threads from this board)
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What's your BMI Hikarin? Mine is 17.7 https://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmicalc.htm >Underweight = <18.5 >Normal weight = 18.5–24.9 >Overweight = 25–29.9 >Obesity = BMI of 30 or greater

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>18.6 >>12455 no hes a long skelly

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>>12442 thirtyfuckingsix, i am muscular under the fat so it doesnt look as bad, but i am still fucking fat under the shirt it'd be nice to get leaner, and i happen to have to get leaner because i'd like to compete at a high level in a combat sport i have been practicing for a long time, yk it has weight classes. Thing is I live with my family so its hard to stay in a deficit when you are eating together, there are also relatives living nearby so about twice a month its "lets go out and eat a pizza", if I fucked off somewhere far away i'd probably pass entire days without eating

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>>12483 I'm pissed that someone has a higher BMI than me on here, I'm going on a turbo weight-gain buffet diet to one up you.

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>>12489 thats how i got fat as a kid lol

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>>12442 17.3, I want so much to gain weight but even when I eat a lot I gain almost nothing cry



>>>/en/ - General (Hide threads from this board)
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DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU DESU

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>>12429 Not to Alarm you guys but I haven't watched Rozen Maiden so i'm kinda Lost on this and Idk what's with this Desu girl or something what's here real Name

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>>12427 Suiseiseki is a janku doll, don't worry to much about it.

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i dont get it either

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>>12430 Update I HAVE NOW Watched the anime and yes she likes to use Desu alot when Talking also I really Liked it Currently On ep4

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>>12479 The manga is better nano


>>>/en/ - General (Hide threads from this board)
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Are you a smoker?

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>>12462 smoking raises your cancer probability by a lot regardless of how many cigs you smoke, one cig a month is enough to do that. >it does give you cool points tho no one thinks this in 2026.. in fact i've seen a general shift from people towards thinking it's really scummy desu. i'm sorry if i'm upfront but i am SURE there are people who will see you post and be like "yeah i can start/restart smoking just fine".

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Yes, I only smoke Chinese cigs.

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>>12481 ok

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>>12481 ok

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>>12481 Candy ass sobertard, you will never accumulate the amount of cool points I have



>>>/jp/ - Otaku Culture (Hide threads from this board)
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this was one of my first animes i ever watched when i was little, like in 2017. i feel so much joy, excitement and nostalgia remembering it!!

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>>1848 >little... like in 2017 You're making me feel old hikarindisgust

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ouugh, my apologies... (。>︿<)

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>2017 was 9 years ago vengence and no i haven't seen this anime hikarin. is it slice of life?

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>>1852 >is it a slice of life? yeah! it is a comedic slice of life, but it is quite short, each episodes lasts arround 2 minutes. i'm pretty sure this show is mainly targeted for children, so it may not be for everyone's cup of tea.

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i checked it out and i gotta thank you for putting me on it neco neco neco neco


>>>/t/ - Technology (Hide threads from this board)
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Any Gentoo Friends on this board? If so tell me what you love or hate about it. What USE flags do you use? In the meanwhile I will post some of my favorite Gentoo Desktops!!

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Ok I tried emerge -pvu @installed and turns out I could update 200 pkg, including qt >Conflict: 23 blocks (all satisfied) But you should update your world set, not @installed anyway.

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all the qt packages are blocking each other.

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How do you guys keep your system nice and tidy? Personally I just --depclean and eclean-dist/pkg/kernel but I was wondering if there was anything else to keep in mind

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>>449 My installation of gentoo has been without desktop manager for 3 years, since patching dwm is long and tedious (for me, i want like 13 patches) and I just kinda burnt out. I want to finish it this summer! (this week even?)

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What's the advantage of Gentoo over Arch or Void? I understand a bit about Gentoo, like how it's source based comp and ability to tailor it to your hardware, but is that all? If your hardware is only 5 or 6 years old, then is Gentoo worth it? Asking because I'm deciding between building a cyberdeck using Radxa Q6A or buying a Thinkpad from around 2022. Will use it for watching anime, reading manga, playing emulators and Morrowind/Oblivion (original, not the shitty version), and general use.


>>>/jp/ - Otaku Culture (Hide threads from this board)
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Posting something on a random website because i'm bored. Do you guys even know Di Gi Charat and the spinoffs? For whatever reason it became my favorite shit. It's difficult to talk it to people because how underrated it is. I don't know what I should say but all I can say is Puchiko is my favorite character there.

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Another Fan of Puchiko? Cool Anyway Speaking of that I really like the series both Anime and alot of the Media related to the Franchise Still though Puchiko js One of the best characters neco_arc

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I love di gi charat!!!neco_arc

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i'm watching the show right now and i really love it so far! my favorite character is this guy.



>>>/en/ - General (Hide threads from this board)
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Hello, I have an update to my vocal synthesis project. I have chosen from now on to post links to my wordpress blog instead of trying to post all of it natively. This is to improve the quality of formatting (particularly section headings and math), not have to split it across many posts, and allow for multiple inline images without having to upload to sites like catbox.moe or imgbb. I hope your understand. https://queuesevenm.wordpress.com/2026/05/14/wide-band-subharmonic-modeling/


>>>/v/ - Video Games (Hide threads from this board)
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To this day I still enjoy playing osu! >and still farming some points though

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>>1812 Adderall made me better at Osu, have you tried ADHD-maxxing, Anon?

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osu ruined my life for around 3 months good times

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ah... osu, either i don't play it for months, or i play it for a whole month. no in between cry

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quit w maybe one day I will have the time again skeptical

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DDR forever!!!!!!!!


>>>/en/ - General (Hide threads from this board)
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Hikari THREE is almost THREE years old surprised

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What exact day was Hikari chan born?skeptical

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hikari-chan has hit the wall already cry


>>>/h3/ - hikari3 Discussion (Hide threads from this board)
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Banner Contest Details: hikari3 is currently in need of better banners. We are accepting submissions in this thread. If we like you're banner, we'll put it up Requirements: 1. 600x200 is preferable, but anything works as long as its in that ratio. 2. Should be anime/Japan/otaku culture related in some way. 3. MUST LOOK GOOD!! just generally visually appealing Also, don't make it board specific, these banners are global.

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>>343 syrno can you please collect and display useful stats like avg daily unique ips browsing the site in the past week? I'd like to know if its worth it starting a high effort thread or I should keep rotting in solitude >inb4 arguing about usefulness of the specific statistic >>inb4 greentext

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it turns out that the actuve posters number wasnt a joke what the hell 🫣😵‍💫

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>>1108 I believe the active posters stat is the number of unique IPs that have posted on the site total.

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>>1109 they sure as hell arent "active", i on my own must have posted from at least 20 different ips throughout the site's lifetime 5 posts lifetime for each "active" poster sounds very low dont you think?

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>>1111 Nice post number


>>>/en/ - General (Hide threads from this board)
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Do you EVER use your head? Stupid hikarin angry

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>>12395 there are no foids on hikari

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>>12396 Then that means... >>12394 is a f...f-fa--f.......cCCAAAANDDDDYY AAAAAAAAAAAAAAAAAAAAAAAAAASSS!!!!!!!!!!!!!!!!!!!!!

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>>12397 A molly, perchance?

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>>11224 It backfires.

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i have no brain :[


>>>/aca/ - Academic Topics (Hide threads from this board)
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What have *you* learned today?

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>>23 Causing a little bit of paranoia here, aren't we?

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absolutely nothing.

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Today I learned how to use an impact drill and screw a TV mount into brick. Very dusty...

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I learned about Misskey and Sharkey. It looks like Mastadon but with a cleaner UI and more functions.

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>>464 No surprising Misskey was made by a nipponese man ww




>>>/h3/ - hikari3 Discussion (Hide threads from this board)
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Hello syrno, I know that you have worked with the kissu.moe staff as a partner correct? I love kissu.moe and regularly browse it and post there, but unfortunately there's something quite sad that happened. Well actually it happened a while ago, but I'd like to settle it now. I adore the revelation that is CRBA, but unfortunately I believe there has been a misunderstanding with kissu.moe that led them to believe bad things. I am wondering if you (syrno) could help to resolve this misunderstanding.

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>>1114 >doesn't even make me think of CRBA. I meant "doesn't even make me think of MLP."

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syrno, if you need to e-mail me, you can reach me at crbaadmin@proton.me. Unfortunately hikari3 doesn't have an e-mail field.

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>>1114 maybe contacting the staff on irc.rizon.org#kissu can help clear thing up?

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>>1117 Okay, I have just asked on their IRC channel.

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>>1118 i hope things will work out well for you


>>>/en/ - General (Hide threads from this board)
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How do you like to clear your mind, hikarin? These days I find myself stressed more than ever and my coping methods (vidya and mango) don't seem to work anymore.

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It's hard sometimes, but taking walks genuinely helps me get some peace of mind.

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Violence is always the answer!

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>>12385 You want me to fucking curb stomp you? angry

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>>12421 I'd like to see you try roody-poo candy ass angryangryangryangryangryangryangryangry



>>>/h3/ - hikari3 Discussion (Hide threads from this board)
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Why does this site link to 39chan? That site is so terrible.

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Because it's a good site.

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>>1119 Why did you make this thread? This thread is so terrible.

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What's wrong with 39chan? skeptical


>>>/v/ - Video Games (Hide threads from this board)
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Anyone else here play roblox? More specifically airship assault. Any other place is fine too.

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>>1851 I don't know if I remember specifically when I thought it was going to shit, but the chat filters, new character models, and the removal of tickets rubbed me the wrong way, so probably the same era as you. I would have been 12 in 2013 so that was probably near the peak of me playing it. I started at 8, was hooked, played religiously until I was probably 14-15. You are absolutely right that the game is unrecognizable. I get on sometimes when others ask me to but it's basically a different game in the worst way.

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anyone remember Dawn of the Zombies? that was the first time i heard one winged angel loool

Your fortune: Better not tell you now

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>>1856 the first time i ever heard Caramelldansen was on a Roblox obby waaay back in like 2009 snicker i was basically introduced to internet culture through old Roblox.

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>>1858 that reminded me of that one time there used to be a roblox troll game where you get jumpscared with flashy colors and a very loud speed up version of caramelldansen.... i think it was made in 2011? but i cant remember it well, i first heard about it on roblox iceberg on youtube.

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>>1856 For me it was Contamination

https://youtu.be/4nGCjC1oJMM [Embed]


>>>/en/ - General (Hide threads from this board)
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roody-poos wouldn’t get it.

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キタ━━━(゚∀゚)━━━!!

Your fortune: Better not tell you now

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PLEASE LET ME POST FEMBOYS AND TWINKS! PLEASE PLEASE PLEASE PLEASE PLEEEEEEEEEEASE!!! crycrycry

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the only twink I know

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>>12417 You shall be PUNISHED for your lewdness. angry

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GAY BUTTSEX IS TRUTAKU CULTURE~!!!!! ORA!!! TAKE THIS MODERATORS~~!!!!!!!



>>>/jp/ - Otaku Culture (Hide threads from this board)
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fan of lovesick and crazy girls? well this thread is for you! on here, you can post anything related to yanderes and yangires: it can be a character that you like, animemanga that centers about them, vn's, cd dramas, ect. talking about male characters and anything outside from japan are allowed as long its not offtopic. this includes characters who aren't yanderes nor yangires, but the love interests of a yandere may stay here without any problem.

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man that image in OP is nostalgic. i used to have a custom Google Chrome theme with that image in middle school. Mirai Nikki was the second or third anime i had ever seen, and Yuno was my first waifu. she's still the Queen of Yandere to this day! love

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>>1842 i am glad to hear that! also right now i'm writting something for this thread, but i'm slow so it will take a while...

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i'll admitt, i dont know any yandere from any animemanga that i did watch/read... but i will do something about it. However, i am a fan of seryu ubiquitous from akame ga kill! she was sooo cooooool, i should watch it fullt though... from video games and vn's: I was a huge fan of yandere simulation before i knew yandev is a lazy son of a bitch, it breaks my heart that he still hasn't finished his game... i also like toko, syo and mikan from the danganronpa franchise, i dunno if they really count as yanderes or yangires, but i see many people call them as such. sadly, i barely remember anything about the story other than the characters death order. cd dramas...? i never got into cd dramas during my childhood nor in my teens, but now i want to hear more! they're like fun rides and they're much better with yanderes! i tried to listen Yandere heaven, but sadly i could not find a playlist where they translate all the tracks, so later on i'll find a blog post where they have all of them translated into english. I'm also familiar with yandere no onna no ko, i did hear the one with Nagisa but i forgot what happened on that track... if has to pick a favorite yandere, i guess i would pick... mayu from vocaloid! she is sooo adorable! i'm very glad that we have an official yandere vocaloid! her voice is very soft and sweet for a cute and deadly girl, altough my favorite song from her doesn't have any lovesick lyrics.

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haii! nekotan is back with a new update: i started watching mirai nikki recently and i like it so far. however, i'm confused on why yuno is lovesick obssesed with yukiteru on the first place, i like both of them but their dynamic felt weak and it kind of sucks because that's why i started watching the anime. i i hope their dynamic will get better, i only watched two episodes so far so i still have high standars.

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>>1845 the reason why Yuno is so obsessed with Yuki is a major twist of the show. just keep watching hikarin. happy


>>>/en/ - General (Hide threads from this board)
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Good morning Hikarin! (It's 5:46PM)

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good if-you-think-about-it-in-a-certain-way-morning (1:16 am)

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Good morning everybody. (10:13PM)

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good night

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Have a good day!

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Good afternoon


>>>/t/ - Technology (Hide threads from this board)
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https://github.com/victorvde/jpeg2png There's this rather obscure tool on github from a decade ago called "jpeg2png" that's designed to remove jpeg artifacts. I've been using it for a decade now and nothing else even comes close to it in terms of quality. Even those expensive neural network based ones are considerably less effective than this tool. The only real flaw of it is that some images that actually do contain significant noise and are saved at low quality get smoothed out slightly. Understand though that importantly, that this is not smoothing in the sense of blurring, but reduction of the JPEG coefficients. In general, this tool does not result in any blurring. I believe the tool works by tweaking the DCT coefficients to result in the minimum noise and maximum coherence, which usually results in a result very close to the original. The reason the smoothing happens for high noise images is presumably because it is because the solution it finds is just to tweak every DCT coefficient so it is slightly smaller to minimize the cost. I wonder if this issue could be simply fixed by detecting when most DCT coefficients decrease, and not changing them in that case. In cases where they are legitimately being decreased, the reduction in cost would be significantly higher and the changes in DCT coefficient should be pretty much evenly spread, as the errors were introduced by quantization/rounding, which is not biased.


>>>/en/ - General (Hide threads from this board)
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I've re-enabled CRBAchan and restored all the posts lost in the raid. Further more, I've ensured this can never happen again. CRBAchan: https://ib.crba.tw CRBA Archive: https://crba.tw I'm also looking to expand the CRBA site. One thing I want to do is create an immersive community experience that feels like the pure CRBA innocence. To do this, I'd a very intricate web design. *I am soliciting ideas for this.* Maybe we could have "CRBA mail" system where you can write letters within CRBA. It would very themed. I've also been working on some concrete improvements and additions to the site. I've not released it yet, but plan to very soon. I plan to add the ability to view the CRBA art chronologically and in other ways. Additionally, I plan to improve the organization from the site and incorporate a text archive of things Sean has written. I've posted an example of this improved design as the image for this post. I also plan to add an archive of AVCHonline's videos and music. Let me know if you have any ideas for creating the beautiful immersive innocence experiences!


>>>/aca/ - Academic Topics (Hide threads from this board)
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Do you know any second languages or are learning any?

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>>447 Excited to use it once it's done Hikarin surprised

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>>114 i know dutch, arabic (hassaniya) and am improving my MSA i have been wanting to learn thai but it's been an on and off relationship, the tones were fun to learn and surprisingly not difficult to master but am a lazy piece of shit vengence

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>>455 >>448 I'm back! Unfortunately, for now it's hosted on a free hosting cry. But that's just temporary! http://2chan.vip/

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I was self-learning Russian for a bit but I am nowhere able to construct more than a few basic sentences. cry Now I'm unsure whether I want to continue or learn Spanish instead. I know some people close to me who speak Spanish themselves and it seems more practical with how widely spoken it is. I'm indecisive.



>>>/v/ - Video Games (Hide threads from this board)
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Finally ! After more than 10 years, Nintendo decided to release a new version of this game ! Personally, i'm so hyped about it !!!! What do you all think ?

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i am unbelievably excited. tomodatchi life was my favorite game on the 3ds i played it for HOURS really looking forward to this plus hopefully it allows gay romance

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I was exited when I heard about it, but I wish they tried experimenting with the setting a bit more. A dark metropolis theme like they did in Miitopias New Lumos would be great to switch things up.

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I played Tomodachi Life as a kid and it gave me a thing for voyeurism

Your fortune: Good Luck

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Hikarin's veredict?

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>>1852 I think the game lacks a little content. Doesn't seem like something I could play for a long time. It has some very funny moments if you make good Tomodachis tho snicker



>>>/aca/ - Academic Topics (Hide threads from this board)
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what books have you read recently, hikarin? what is your go-to literary interest? what's your reason for reading it? talk about fiction or nonfiction, academia or entertainment, everything in between, as long as you find it interesting. however, discussion of manga and comics should be kept to the /jp/ board. e-book resources: https://annas-archive.org/ https://libgenesis.net/ https://sci-hub.se/ https://archive.org/ https://openlibrary.org/ https://www.gutenberg.org/

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I am reading the guide book for my friend's Orthodox Church, because I am confused

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>>439 You've reminded me to request it on the interlibrary loan service

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>>450 I have not read much Nietzsche at the moment (I am only halfway through Genealogy) so it's not as if I have a nuanced or fleshed out understanding of his thoughts, but I so far do agree with his distinction between knightly-aristocratic judgement and priestly judgement, as well as what it actually means to be aristocratic. I do not agree with many of his critiques of Christianity (as a Christian myself) but I do agree with his critique on the veneration of weakness in Christian thought. Also I find it refreshing to read someone who understands the importance of imposing morality from positions of power. >Evola I have not actually read any Evola, although my girlfriend says good things about his works. I am very much interested in reading more about the concept of aristocracy and what it means to be aristocratic- not in a class sense but a spiritual sense- and am very interested in works expanding on this if you have them! In fact this desire to learn about aristocracy as a mindset is the reason I became interested in Nietzsche in the first place. I will keep "Fascism Viewed from the Right" in mind. I also am considering reading "Revolt Against the Modern World" by Evola, if you have any comments on that work. I do have a copy of "A New Nobility of Blood and Soil" by Darré at the recommendation of someone I know but I haven't read it yet.

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>>454 To be frank I am also a newbie on both Nietzsche and Evola, just started reading them, so I can't supply many recommendations or comments, but I definitely do share your fascination with the aristocratic. Perhaps the only work that comes to mind in regards to such matters that I've previously read is "Bushido" by Inazo Nitobe. It's an overview and analysis of the core values of the medieval samurais' code of honor which I found very interesting. As for Revolt and Blood and Soil, same as you, heard of them but haven't dived in yet. >gf that reads Evola Lucky lol

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>>458 Fair enough. In that case I will simply commend you for your interest in aristocratic, fash, and otherwise illiberal philosophy/theory. Keep up the good reads. Aristocracy is not something we ourselves will achieve in such a fallen age, but we can always try to live to those standards the best we can and impart what we learn on our children. If you haven't read For My Legionaries by Codreanu, as mentioned above, I highly recommend you giving it a read. >Bushido by Inazo Nitobe Y'know I have read the Hagakure at the recommendation of Sam Hyde, which is basically a collection of sayings written by the student of a samurai. You may have some interest in that. There's a copy on Amazon with the radiation symbol on the cover for some reason, which is the translation I have. I don't think Eastern philosophy is entirely applicable to the Western mind, so seriously take your readings of Eastern philosophy with a grain or two of salt, but you may find some use out of it if you haven't read it already. I enjoyed it at least. >Lucky lol I really am lol. Very lucky indeed. She also has read Nietzsche and says he's one of her favorite philosophers, but I don't really know to what depth she actually understands and internalizes these heavier reads. She's not dumb by any means but it's rare to see a woman who truly philosophizes like (some) men do. I am not sure what causes this, no disrespect intended. I love women.


>>>/t/ - Technology (Hide threads from this board)
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hello, I work in cs (pentester) and I'm looking for hacking based imageboards !!!!

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>>787 does lainchan not have stuff like that? i do not browse it often.

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lainchan used to have pentesting groups, or least 5yrs before lain become mainstream that is

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>>787 i want to pentest her drool

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>>1863 someone made something about CTF challenges going on last year but it was on dicksword. >>789 >>791 i know it's necro but it i would join too. why don't we make one neco_arc

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>why don't we make one i'll make the logo shades



>>>/en/ - General (Hide threads from this board)
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Already been over a year since the 4chan hack happened... why couldn't it have stayed down angry

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I'd also have preferred that it stay dead 4chan became even worse after the hack

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I don't even bother opening the site anymore. It's been a shambling corpse for a while now.

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there are other forums sites that are better alternatives anyway, even the one's that aren't anonymous. i guess 4chan was fun back then (i liked ruby quest and the vday comics) but i rather stay on hikari3.

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>>12369 yeah same. between hikari, wap, marzi, and sometimes kissu i have enough PPD to keep me satisfied. i'm no longer a teen without responsibilities who can f5 for hours a day anyway... wink

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I'm glad it's up. It confines.


>>>/v/ - Video Games (Hide threads from this board)
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Any YTTD fans here?

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>>1749 I lvoed it when i played it so long ago happy2happy2 i still remember the music it was so good despite being garage band loops

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btw a new chapter will be released soon

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i would not rlly consire myself a fan, but i did finish the first chapter when i was like fourteen. also, i have a friend who really loves this game though, he is obssesed with midori... that's scary!


>>>/h3/ - hikari3 Discussion (Hide threads from this board)
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Why were my posts about voice processing deleted?

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They were merged into 1 thread: >>/en/12155

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>>1099 Oh. Sorry.

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>>1100 No worries. Thank you for your informative thread. happy


>>>/en/ - General (Hide threads from this board)
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So I've been working on a project to re-implement the VOCALOID1 engine. I'm basing it on the description in Jordi Bonada's PhD thesis "Voice Processing and Synthesis by Performance Sampling and Spectral Models" and not the original papers as the former is more detailed, easier to follow, and also describes the VOCALOID2 engine. After a lot of trouble with getting TWM f0 estimation to work, I've finally gotten to implementing MFPA. And amazingly, it seems to have worked first try. Compare my results: https://i.ibb.co/dsvgv0fd/Screen-Shot-2026-03-02-at-3-54-48-PM.png To the results in the study: https://i.ibb.co/C3fjdWVd/Screen-Shot-2026-03-02-at-3-55-09-PM.png

Your fortune: Bad Luck

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I was thinking about why the modulation occurred in the case of the overlap-and-add method. Thinking about it, when the fundamental frequency is stationary and the MFPA onsets are perfect, the trapezoidal window function is equivalent to a weighted average between two adjacent voice pulses over the duration of twice the border interpolation size. However, when the MFPA onsets are inaccurate, or even just when the fundamental frequency is non-stationary, this is no longer true. Even worse, thinking about it from the weighted average point of view, the sum isn't necessarily one everywhere anymore, hence the modulation. I then devised a method that would not result in modulation. This method works by first synthesizing the 'inner' portion of each pulse (by 'inner', I mean starting at the end of the border interpolation at the start, and ending before the start of the next border interpolation towards the end of the pulse). Then, for the gaps in between each pulse, we calculate each sample value by a weighted average of two values. These are values are the values of each voice pulse at that time. Since the gap extends beyond the boundaries of each voice pulse, we use the periodic nature of the pulses to compute the effective position in the voice pulse by taking the position modulo the period of the fundamental frequency at that voice pulse. The fundamental frequencies of each of the voice pulses may differ, so we actually change step in time linearly. At each end of the gap, the step size for the voice pulse it is next to is one sample in time, while the step for the former voice pulse is the equivalent of one sample in the latter voice pulse relative to the former's fundamental frequency (e.g. if the second voice pulse has twice the fundamental frequency as the first; the step size for the first would be 2 and tep size for the second would be 1, at the end of the gap). For the start of the gap, it is the same except relative to the first pulse having a step of 1. In between, we the step size interpolate linearly. It is worth noting that in the ideal case where the onsets are exactly correct and the fundamental frequency is stationary, the result of this approach is the same as using the trapezoidal window. FREQUENCY WARP-CORRECTION - As noted in Bonada's thesis, WBVPM assumes that the fundamental frequency is stationary within each pulse, however this is not actually true, and that the artifacts from this are particularly apparent for low fundamental frequency voice signals, because each period of the signal is longer in time and thus the internal state of the system has more time to change. One of the changes that can happen over time is modulation of the fundamental frequency. This can be thought of actually as a time-domain remapping function that distorts each voice pulse according to a continuous fundamental frequency trajectory. I discovered a way of correcting this, largely by accident as I was thinking about solving the modulation issue I discussed in the previous section. I was thinking about how I proposed changing the step size linearly in the gaps between the 'inner' pulses. I was thinking, we have a discrete sequence of fundamental frequencies. So, what if instead of changing the step size linearly, we instead created a spline from the fundamental frequencies and instead changed the step size based on that? Then I realized that we could also use this for the whole voice pulses and just sample everything with a step size based on the fundamental frequency trajectory. I then realized that this would actually act like the distortion from changing parameters within each voice pulse, at least in the synthesis stage. Further more, since we are already computing splines for each voice pulse to downsample it, this comes at very little additional computational cost. (continued in the next post)

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However, the voice pulses in analysis are already distorted. So then I already we can do the inverse resampling in the upsampling stage of WBVPM analysis to correct for non-stationary frequency, then it is redistorted according to the transformed fundamental frequency trajectory in the synthesis stage. This makes this method effectively invariant to modulations in fundamental frequency, so long as the modulation is less than the fundamental frequency and it is modeled well by the spline, which should be the case for modulation period is at least several voice pulses. PITCHED/UNPITCHED DECOMPOSITION - As mentioned in Bonada's thesis, WBVPM only models sinusoids, and thus residual in the input signal is encoded as flucuations between the spectra of voice pulses. I devised a post-processing technique to separate the voice pulses into sinusoidal and residual components. I have not actually implemented and test this yet, because as it is post-processing step, it will not improve the residual level, and in fact, will probably make it worse. The benefit of it is in the transformation stage, which is much harder to quantify and which I have not finished implementing. However, I believe this approach should work. The technique works as follows: a) First, for each voice pulse, and then for each harmonic of its spectra, we compute a spline based on the values of the amplitude of that harmonic in the voice pulse as well as a fixed number of surrounding voice pulses. b) Since the time delta between voice pulses can vary, we then resample each local harmonic spline with fixed steps in time. c) We compute the fourier transform of these resampled local harmonic trajectories d) We apply a low-pass and high-pass filter to separate it into low-frequency and high-frequency components. e) We then apply the inverse fourier transform to each of these. We can then sample the low pass trajectory at the time of the voice pulse to get the amplitude value of the denoised harmonic for that voice pulse. The same can be done for the high pass trajectory to obtain a pseudo-pulse representing the residual. These residual voice pulses can then be synthesized using the WBVPM synthesis method to obtain a time-domain residual signal which can be processed separately from the main harmonic signal. A significant source of error in this process presumably would come from the resampling step. This can be decreased by using a smaller time step, at an increased computational cost. However, the error could probably be greatly reduced by first calculating the difference between the original amplitudes and the amplitudes at the same times in a spline computed from the resampled harmonic spline before applying the band filters, this difference can later be added back to the low-pass amplitude trajectory. The denoised harmonic phase can also be computed via the same method, using Bonada's method for unwrapping phase across both frequency and time. The residual phase can be calculated by taking difference of the original phase from the denoised phase and dividing it by the residual amplitude. RESULTS: I have tested these improvements and obtained the following results for the aforementioned audio sample: Original WBVPM: -36.355dB Warp-correction improvement only: -36.74595dB Warp-correction & Resilient border interpolation in synthesis: -37.41177dB More research is needed to properly evaluate these improvements across more samples with more variety, and to see if these techniques still result in improvements with more accurate pitch and MFPA estimation and with proper handling of unvoiced/voiced frames.

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Okay

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Bump for visibility, merged with original thread.

Your fortune: Very bad luck

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I feel like I've been going insane over the last day. I've scoured every paper mention Excitation plus Resonance, but at least as far as I can tell, none of them actually mentioned the procedure for actually estimating the parameters of the EpR resonances. Even the expired patent for EpR doesn't seem to mention it. After thinking about it for a while, I attempted to come up with something. No idea if it will actually work though. The procedure I came up with is as follows: a) An amplitude spectrum representing N discrete sampled amplitudes of sinusoids in a frame or voice pulse is calculated such that for every index i in [0, N), Amp[i] is estimation of the value of the amplitude of a sinusoid having frequency i*F at a time or over a time period, where F is a constant frequency step. In the case of WBVPM, F is the fundamental frequency. b) A logarithmic amplitude spectrum comprising an array of N elements is created such that LogAmp[i] = log(Amp[i]) for i in [0, N), where N is the number of discrete values in the amplitude spectrum and Amp is the amplitude spectrum. c) A cubic natural spline LogInt comprising N - 1 segments is created from the values of the logarithmic amplitude spectrum and positions represent the frequency values of the sinusoids estimated in the amplitude spectrum. d) An array capable of holding up to 2N-2 objects representing the resonance parameters (frequency, amplitude, and bandwidth) is created and it's initial length is set to zero. e) For each segment S of the spline LogInt having index i and parameters offset o; span h; and coefficients a, b, c, and d (representing the cubic, quadratic, linear, and constant values, respectively); the following is performed: e) 1) The derivative of S is computed. e) 2) The roots of said derivative is computed, and for each of them, the following steps are performed: e) 2) a) It is checked whether the root, when the offset o and span h is accounted for, lies in the range [o, o+h] of segment S. If it does not, it is discarded and the further computation is skipped. e) 2) b) The value of the second derivative of the segment S is computed at the root. If it is not negative, the root is discarded and the further computation is skipped. e) 2) c) Then a resonance parameters object is appended to the end of the resonance parameters array, and that array's length is increased by one. The frequency value is set to the root. The amplitude value is set to the difference of the interpolated logarithmic amplitude spline value at the root and the value of the source curve at the root. The bandwidth value is set to the reciprocal of the negation of the second derivative of the segment at the root. f) An iterative refinement process of the resonances is performed for M iterations. For each iteration, the following is performed: f) 1) For each resonance O with index i in the resonance array, the following is performed: f) 1) a) A sum s is set to 0. f) 1) b) Then, for each resonance O2 (including resonance O) with index j in the resonance array, the sum is increased by the value of the resonance O2 at the frequency of the resonance O. f) 1) c) The difference between the sum s and the interpolated value of the logarithmic amplitude spline LogInt at the frequency of O is computed. It is multiplied by a fixed step size S and then the amplitude of O is subtracted by this value.


>>>/en/ - General (Hide threads from this board)
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A cat left a dead rat with its guts out in my backyard and now it smells like shit there cry

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You can't blame a nyaggan for following it's WILD instincts. neco

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I'm Just sitting in my car and...


>>>/i/ - Oekaki (Hide threads from this board)
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Was gonna draw a Hikarin gijinka design but i dont have my sketchbook currently and my stylus randomly gave up so have this lazily Put together walfas creature thats supposed to be you

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cute! i really love the walfa artstyle ^___^

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>>121 I looked up the term "gijinka" today for the first time, what a coincidence surprised Baader–Meinhof phenomenon in action



>>>/t/ - Technology (Hide threads from this board)
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Hey Hikarins! I've been saving money from my new job recently and I've been looking at upgrading my monitor! I currently have a generic HP 1920x1080 at 100hz and I want y'all's advice! I'd kind of like to keep the resolution because I like the wide, single monitor setup but if there's something really exceptional out there, let me and the other people in the thread know! happy2

Your fortune: Bad Luck

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Honestly 1080p is enough still and if you dont care all that much maybe try the jump to what others call 2k (2560×1440). It's a huge jump in quality and wayyy easier to run than 4k. I wouldn't recommend ultra wide unless you know how to mod games and all your shows will have black bars. I will say you should try a dual monitor setup! It's convenient if you ever wanna boot up something separate or put a video on the side. Sometimes I'll play my ps3 on my main monitor and transfer files/do other tech stuff on my pc in the background. 100hz is good but if you can affordably get 144 or 175hz I'd recommend that too. Realistically you shouldnt't need to spend more than ~3-400 dollars on a new monitor, especially around holidays or days like fathers/mothers day. They get real cheap around them at places like Best Buy usually. Last bit of advice: price check always. I bought a monitor off Amazon for 50 dollars more than I would have paid on Newegg

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so hikarian, what did you get? nya

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1080 is overkill, 768/720 is fast


>>>/en/ - General (Hide threads from this board)
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Does anyone else hate how men cant talk about themselves and their feelings amongst eachother until theyre blackout drunk and have to forget everything or pretend to forget everything the day after? Basically no point to it.

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>>12327 In my defense, it's an "ex"-girlfriend neco

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hikarin... you can overcome this femcel madness. i love you.

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>>12331 is there hope for a pathetic fakecel like me hikarin cry

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>>12338 what's a fakecel

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>>12339 a type of snake


>>>/en/ - General (Hide threads from this board)
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We got the moves, hikarin!

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https://www.youtube.com/watch?v=E40N4MeAtiU

キタ━━━(゚∀゚)━━━!!

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I feel like this dance just works with any songs I listen to surprised

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キタ━━━(゚∀゚)━━━!!

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So many Colors

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>>10792 Me neither but we can try, hikarin. Soooo, lets do it!


>>>/en/ - General (Hide threads from this board)
https://www.youtube.com/watch?v=qWXnt2Z2D1E

I want to talk about horror media that is sourced from the internet. Not necessarily full-release movies or well-known published games. I'm thinking more analog horror, creepy videos, horror flash/indie games, even stuff like the SCP foundation falls under this category. Bonus points for more niche stuff or media you consider internet history. Starting this thread off with this video. I love this one, I am a huge huge fan of atmospheric horror and I think this is a great example of such.

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https://www.youtube.com/watch?v=7esdLo2f7mo

This one is decently new, came out last year. It's not the spookiest thing I have ever seen but I enjoy it. More than jumpscares or gore, I REALLY love horror that makes me feel deeply unsettled. Uncanny valley and such.

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the original SCP - Containment Breach game got an update after 8 years! very cool to see. it's on Steam now too. https://store.steampowered.com/app/2178380/SCP__Containment_Breach/

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>>12293 As for demonophobia, I came across it on some Chinese forum and read about the creator (except for the nickname, almost nothing is known, and that's it). The game itself is a labyrinth-style adventure with brutal guru murder scenes (not so brutal).

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>>12293 Just found out about this one

https://youtu.be/7iFXyLah2oQ [Embed]

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>>12347 oh my goodness i completely forgot about this video... that brings back memories!



>>>/en/ - General (Hide threads from this board)
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I've moved again, and it's annoying that our housing prices are becoming more and more exorbitant. Our teenagers have already realized that they won't even be able to save up for a down payment on a mortgage and are basically living from day to day. I'm the same way.

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Just get on welfare. >(windows)

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>>12341 I feel you Hikarin... I'll be moving places for the 4th time next month. Everything is so expensive, I feel like I'm throwing money down the sink

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>>12343 I'm too lazy for that and I have a job. Today I got my salary of $290, I paid off my debts, and about half of it went away. >>12344 Yes, and this is infuriating. I hate this life. I'll buy myself a house on wheels and drive around the mountains, drink Chinese tea, and enjoy the views. I'll find another remote job.

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I feel you. I'm moving back in with my father at 25 just so I can finish my degree and save up money without working myself ragged (as I have been doing for some years now). I'm taking a significant pay cut swapping jobs but it's in a field I am actually passionate about. Plus I'll only be working 3-4 days instead of 5 which gives me time for my hobbies (that I have been neglecting for lack of time cry). I am thankful to God I have this option, I am so fed up with the rigamarole of life man... >>12345 Living on wheels and just travelling around sounds so nice. Society is sick anyway. It would be better to live as a nomad in an RV or a hermit in a monastery than have to suffer 50 years of the corporate West.