Masumi is dating Tobita who under innocent face hides a burning desire for being abused. Catering to his needs Masumi gradually gets pulled more and more into the twisted relationship, fascinated by the feeling of sadistic satisfaction from dominating Masumi.
University student Hikaru is an egoist whose type is: "Girls who tell me that they like me." One day, something changes after finding his younger brother Hijiri going on a date with a younger boy (not really his lover).