Yunyun Syndrome!?: Rhythm Psychosis

About 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 Syndrome!?: Rhythm Psychosis is a music, simulator, and visual novel game from WHO YOU and WSS playground, published by Alliance Arts and WSS playground.

Players on PC (Microsoft Windows) have had it since April 2026.