Karadasagashi

Every night, six high school students find themselves trapped in a horrific game of hide-and-seek. Forced to search their school for the dismembered body parts of a young girl, they are hunted by the terrifying "Red Person," a supernatural entity that ensures no one escapes its deadly game. If they fail to find all eight pieces before the morning bell, they’re doomed to repeat the gruesome night, only to return to school the next day as if nothing happened. This chilling ONA plunges viewers into a relentless cycle of fear and desperation. As the students desperately try to uncover the mystery behind the Red Person and their own predicament, they must confront their deepest fears and the horrifying reality of their inescapable nightmare. Prepare for a visceral journey into the darkest corners of a haunted high school, where survival is never guaranteed.

✦ AI-drafted summary