Desc: Hanbun shojo to zero otoko: Directed by Sakichi Sato. With Shijimi, Hiroshi Yamamoto, Miho Hoshino, Don Brown. An amnesiac finds himself in a police uniform. He discovers that, when he has an erection, he can see on people's forehead the number of people each person has had sex with - 0 on his own, 0.5 on a woman, 13 on a small child etc.