Kazuya almost died in accident, and was unconscious for a year. When he wakes up, he can't move his finger, and has lost all his memory. One day, a doctor touches his body, he becomes the doctor. It seems his spirit takes over and controls the doctor's body. He gradually learns how it works. And he remembers how he got involved in accident, and makes up his mind... to revenge on the girls for what they did to him...

[From Eroge Shop]