Seiroku Miyagawa

A mailman becomes obsessed with a pretty, young wife. He captures the woman, tortures her and keeps her in his basement dungeon where she becomes his private sex toy.

Pink film by Tetsuya Kenmochi.

Yamashita is a taxi driver. Every morning in the city, Shizue, the owner of a bar, waits for his car in the same spot. That day, he drives her to her apartment, but ends up having sex with her inside. One morning, she gets into Yamashita's car with a man who looks like a yakuza. That man is Kamiya, someone Yamashita had helped out in the past. Junko, a friend of Yasushi who lives with Yamashita, has a yakuza boyfriend named Shota. Unaware of this, Uke visits Junko's house, confesses his love, and tries to force himself on her...