Yunyun Syndrome!? Rhythm Psychosis Is Coming to Steam on 30th October 2025

Enjoy the Beat in Yunyun Syndrome!? Rhythm PsychosisYunyun Syndrome!? Rhythm Psychosis, a quirky rhythm adventure from Alliance Arts and WHO YOU, launches on PC via Steam on Monday, October 30, 2025. The release was revealed during the INDIE Live Expo.In the game, you play as Qtie, a shut-in who’s replaced real-life connections with parasocial ones.

The world outside might be overwhelming, but the beat is comforting. Denpa music floods your mind, distorting your reality as you fall deep into an obsessive online romance with Yunyun, someone who might not even be real.Each beat you hit, each love note you type, brings you closer to her.



Flood your timeline with devotion, overwhelm the haters, and turn your affection into a digital epidemic. The more you spread the syndrome, the bigger your following grows. They don’t understand your love, but you’ll make them.

Lose yourself in over 30 hypnotic tracks, including KOTOKO’s “sakuranbokissubakuhatsudamon~,” “Nee,...

shiyou yo!,” and “Mighty Heart Aru Hi no Kenka, Itsumo no Koigokoro.” Every song pulls you deeper into a narrative where the line between fantasy and reality keeps shifting. Your clicks shape the story.

Will you find connection in the chaos or spiral into something darker? Dream romance or digital ruin, it’s all waiting just beyond the next note.Yunyun Syndrome!? Rhythm Psychosis will be available in multiple languages. This includes English, Japanese, Korean, Simplified Chinese, and Traditional Chinese.

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