Kaori, a wife, was ignored by her husband and forced to take care of her bedridden mother-in-law and her stepson, Kenta. To vent her frustrations, she would secretly have fun with a vibrator in the closet. One day, Kenta found her and raped her as a tease. After all, a real cock is better than a toy... Kaori becomes addicted to sex with Kenta...