Oshita University, a prestigious university created way before the quirk phenomenon, because of it's mysterious origin and old age, there's a lot of unexplored ground within it's campus. 6 roommates try to survive a school filled with anomalies and strange happenings, from the discoverance of a century old chamber, to the dissapearance of students, they set out to reveal this unkept secret. Will they last through the year in a school filled with secrets and mysteries?