When he answers the phone, his gentle and kind lover, Sumire Aoi says goodbye to him. After that, he happens to meet his ex-boyfriend who fled three years ago. However, the main character, Satsuki Kuramoto is stabbed by someone and hits his head with that momentum. Former lover who rushed to the side, Kaede Kiryu was worried and couldn’t forgive Aoi who had been nursing all the time in the hospital and didn’t know anything. Aoi still thinks that Satsuki likes Kiryu, so he gives up, but when he sees Satsuki injured at the hospital, he regrets breaking up. It is a love triangle.