Nao is shy and timid when it comes to love, feeling uncomfortable around men. In contrast, Azusa desperately seeks romance but constantly ends up in failed relationships. The two are roommates, and one day Azusa moves out to live with her new boyfriend, suddenly replaced by a new roommate named Ryosuke. Ryosuke has a difficult personality and comes across as somewhat cold, yet Nao gradually finds herself falling for him. As their relationship develops, new romantic possibilities begin to unfold.