Yumi was caught in the act of adultery by her apartment manager, who then blackmailed her into becoming his sex slave. Yumi is trained to squirt from the manager's persistent cunnilingus and finger fucking, and she ascends to heaven as he forcefully deepthroats her. One day, the man Yumi was having an affair with joins in the training, putting a collar and leash on Yumi, inserting a vibrator, and making her crawl around the room in a perverted play. The managers get excited by Yumi's forced masturbation and make her suck their dicks. They then continuously ejaculate inside her! The masochistic wife becomes addicted to the pleasure of impregnation training.
