Three friends: Asahi, Itsuki and Hisaki, grey up in a cult facility and spent their days rebelling against cult rules in order to survive the cruel environment. But one day, a certain incident made Asahi determined to leave that prison...

Haruichi, a mysterious boy who can see people's true nature through colors, meets Sayuri, a girl who belongs to the organisation "Kisaragi," which observes youkai escaped to the human realm.