"We are lovers."

On his way to the university, someone pushes him back and he gets into an accident. When he woke up in the hospital, he had lost all his memories! Then, an intern doctor, Otoguro, appeared in front of Chiharu. He gently holds his hand and tells him that they are lovers, which upsets Chiharu. Although he has no memory of dating a man, he begins to open his heart to Otoguro who treats him with care...