Bingyu (played by Kentaro Ito) falls in love with Ima (played by Chiaki Kuriyama), but the fact that she tells Bingyu “ that she has other lovers makes Bingyu unable to hide her confusion.However, he decided to understand Ima's love and began to live with her and her two lovers, Yafu (Chenga Kennaga), and To (Maruyama Tomoki).

One day, Bingyu found a man's red boxing pants in Yima's room, facing the living reality that she had a partner other than herself.Ima's love is not consistent with his own love, and she reveals her worries to Yafu. Yafu says ” love has various forms, and it also asserts that even if the other party has only one person, love and feelings may not be proportional.Bingyu couldn't accept this sentence, and was shaking between hoping that others would only pay attention to themselves and wanting to understand Yima's mood.

Under such circumstances, Ima meets her high school classmate Juanka (Tounaga Eri).For Yima, who told her lover as if nothing had happened, Juanka overlapped her cold husband-and-wife relationship and became complicated. However, the encounter with Yima and the encounter with another % of the character were opportunities, Juanka's life also changed.start--.