Shape of Love 1 - Girlfriend discovers kinky sex tapes of boyfriend fucking other women

Kunio just got a new girlfriend, Mayu. What Mayu doesn't know yet, is that Kunio has a hobby of taking pictures of his girlfriends during sex and send them to amateur porn magazines. When she discovers that fact, it turns her even more on. She becomes a freak having sex in public places with whomever Kunio wants.