High school student Shin Kamigo and his younger brother Jun reunite with their older brother Ryo, a member of the Ayashiro City Police Department, for the first time in 10 years. At that time, a series of strange incidents occur in Ayashiro City, such as the sudden disappearance of a submarine crew while on the submarine, a spiritless demonstration that turns the world upside down 10 years later, and a case of an overturned corpse. . The student showed a cruel appearance. Shin, who tracks down the organization behind a series of incidents and gets involved in them, awakens the "persona" in him.