Kuwahara, an elite doctor, can't give up his feelings for Nanase Koi, who fell in love with him when he was young. He searches for her and moves from hospital to hospital, but reunites with love and shock at St. Cattleya General Hospital. However, Koi was given a female body experiment by the current director of the clinic, Hihirazaka, during the time of St. Juliana Hospital, and was humiliated and turned into a nasty woman. Kuwahara was disappointed and his ego collapsed ...