Kairu Aoi teaches at one of the nation's most prestigious boarding schools. One day, after breaking up with his girlfriend, he meets a young guy who provides him comfort and consolation during his time of need. Soon after that, a new student, Sora, transfers into his class, and much to Kairu's surprise, it is the same boy he had encountered before. Kairu tries to put the past behind him and keep their relationship a secret, but the brash Sora is not about to let go of love so easily.