Six years ago, Reiko was raped in a nearby park and since that day had been enslaved by masochistic training. However, she couldn't tell anyone about this fetish, so Reiko fulfilled her duties as a wife and lived an extremely ordinary life. But conversations with her husband, who was busy with work, gradually decreased, and nighttime activities became almost non-existent. Six years' worth of pent-up sexual desire exploded, and Reiko once again volunteered for training. In the dimly lit, moldy fuck room, Reiko's cunt flooded as she was tormented by strangers.
