A detective film by Nobuhiko Ōbayashi. Made for TV.

Japanese drama film.

The lovely Reiko has taken a new teaching job at a creepy old high school. She is an extremely attractive woman and the young students in her class have fallen for her. One night, after tennis practice, she is brutally assaulted in the locker room shower by a man with a stocking over his face. Left on the floor naked and in shock, she discovers a single puzzle piece left behind by the crazed man. A few days later, a pair of students enact a perverted sexual revenge on Reiko for kicking someone off the tennis team. Could one of these students be the man who brutalized her in the locker room? Who owns the strange puzzle piece? As the mystery unfolds, Reiko must come to terms with her own sexual urges and fate.

An obscure lesser known Nikkatsu Roman Porno Movie.

With summer vacation, Chiaki, a high school girl, is just passing each day without getting along well with her boyfriend, Masahiko and her first experience.

Three high school student girls are on their spring break. They are expecting to get some sex of course. One becomes an adult magazine model. The second one nets a boyfriend. The third one is a little shy and needs helps from her friends. This last girl has fallen in love so her friends take her to his window and, by chance, arrive when mother is performing fellatio on son. The shy and pure third girl is in awe of a mother 'eating' genitalia and wants to give a similar performance.

A junior high school student spends his nights hanging out at the disco. At home his parents are more interested in swapping partners with willing couples than spending time with their son. One evening, while shoplifting, a young woman gives him a hand and helps him pull off the snatch. Mesmerized by the woman he follows her to where she lives. After he makes a fumbled attempt at raping her she lets him stay and they spend a lazy summer together.

A professor of erotic art sees his chance to practice what he teaches when by happenstance he meets a suicidal high school girl. Unsure at first how to bind and discipline his captive he is assisted by a bartender who shows him the finer details of bondage on his own slave. As he continues to subject his captive to more intense S&M training he risks both his academic position and his marriage.

A freshly minted P.E. teacher goes to teach at her local high school and finds her fellow teachers are more than eager to give her a helping hand.