Saimin Torotoro Operation ~Innai Bikyonyuu Hokan Keikaku~

The protagonist, a psychiatrist, is constantly oppressed by the women working at the hospital. One day, he stumbles upon a hypnosis technique that allows him to do whatever he wants to his harassers: the mature director, the genius doctor, the cheerful nurse, and the cheeky student. Thus begins his lecherous retaliation.