Kashiwara Mei has been feeling something strange lately... Just as she is trying to make sense of this strange feeling, a girl from their school, Kawabata Michiko jumps off the roof and commits suicide. Mei, who witnesses the incident, starts calling herself "Kawabata Michiko", and her clasmate Karaya Tatsuhiko is tangled in this mystery. Is it a psychological problem, or a psychic phenomenon? A work that focuses on deep psychology.