An unknown disease is striking to younger generation, the patients are going to lose the sense of reality and the memory of themself. We following a girl who got her new name 'OK' and she is going to figure out what's going on.
Overview：An unknown disease is striking to younger generation, the patients are going to lose the sense of reality and the memory of themself. We following a girl who got her new name 'OK' and she is going to figure out what's going on.
