Yunyun Syndrome!? Rhythm Psychosis

“Yunyun Syndrome!? Rhythm Psychosis” is a rhythm adventure game about a psychotic hikikomori girl - also an avid anonymous poster - who corrupts the world with her severe brain rot from listening to too many denpa songs. Yunyun all over this ♡♡♡♡ world with your degen otaku-posting.

2026.04.24

StoryRichMultipleEndingscasualRhythmJapanImmersiveSimFantasyPsychologicalHorrorCuteAnimePsychologicalModern2DChoicesMatterIndieFemaleProtagonistVisualNovelSimulationSingle-playerMusicAdventureSurrealFunny

Yunyun Syndrome!? Rhythm Psychosis

Alliance Arts

2026.04.24

Screenshots

Yunyun Syndrome!? Rhythm Psychosis screenshot 1

Yunyun Syndrome!? Rhythm Psychosis screenshot 2

Yunyun Syndrome!? Rhythm Psychosis screenshot 3

Yunyun Syndrome!? Rhythm Psychosis screenshot 4

Store (Download)

Device

Release Date2026.04.24

LanguageKorean, English, Japanese, Chinese (Simplified), Chinese (Traditional), French, Italian, German, Spanish, Polish, Portuguese (Brazil), Russian, Thai, Turkish

AI Review Analysis

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Game Schedule

Release

2026.04.24

GLOBAL

Game Description

StoryRich·MultipleEndings·casual·Rhythm·Japan·ImmersiveSim·Fantasy·PsychologicalHorror·Cute·Anime·Psychological·Modern·2D·ChoicesMatter·Indie·FemaleProtagonist·VisualNovel·Simulation·Single-player·Music·Adventure·Surreal·Funny

High and vibin’ with denpa songs, we’ll corrupt the entire Internet! Hehe. all we need is a bit of otaku love, that’s all.

This is a rhythm-adventure game where you play as a hikikomori (shut-in) girl who’s high on denpa songs. Become Yunyun-brained and lose all self-control to anonymously post on social media and destroy the world with your Yunyun brain rot. Have a Doki-Doki experience with over 30 denpa songs and multiple endings. ...