Orgasm: Mariko (1985)
Original title: オーガズム 真理子
Orgasm: Mariko is a 1985 Japanese-language drama movie directed by Fumihiko Katō, with a running time of 1h 9m. It stars Megumi Kiyosato, Yūji Nogami and Gō Awazu.
Under a full moon near a highway bridge a woman has sex with her boyfriend during her period. Unfortunately the boyfriend is accidentally killed by a flying pop bottle from a passing delivery truck. This triggers a story of bloody revenge.