Suddenly, a married woman is forced to drink an aphrodisiac and completely locked in an M-shaped spread-legged position from behind. Furthermore, the whole scene is filmed by a fixed camera... "A video letter? Show this to your husband?" She panics at the man's words! She is stopped just before orgasm in a situation where she cannot feel anything! Although she pretends to be calm, her sensitivity increases due to the effect of the aphrodisiac! Unable to endure, she leaks many times and falls! Finally, she is raped by a stranger's stick and goes crazy in front of her husband (the camera)!