Hajime Ishigami

A moonlight skinny-dipping session between two carefree high schoolers leads to a young boy being accused of a violent assault on his female classmate. After throwing a teacher to the ground, he stomps out of the school gates and spends his summer break roaming a beachside town. Falling down a rabbit hole into a dark, oppressive world of sex and violence, he is taken in by a bar-owner and his libidinous mistress. (synapse-films.com)

During WWII, 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... (AsianDVDClub)