Cinematographic adaptation of the manga by Setona Mizushiro. Kyoichi Otomo works at an advertising company and because of his indecisive nature, he repeatedly has affairs. One day, a man appears in front of him. The man is Wataru Imagase who graduated from the same university as Kyoichi. It's the first time they met since they graduated. Kyoichi's wife had hired Imagase to investigate his husband infidelity. Fortunately Imagase agrees to keep his old university friend's secret, but in exchange he wants to claims Kyoichi's body as he liked him for the seven past years... Between the two men, it's the beginning of a love story that will not fail to make your heart ache.