DSOD-038 — A busty wife, Sasakura Aya, goes to her trainer's house every day to be cuckolded, orgasming from his deep, back-piston thrusts that gouge out her uterus.

Aya resists her trainer's sexually harassing lessons, saying, "I'm a married woman!", but the muscle piston gives her an orgasm like she's never felt before! The back piston is especially intense, and the pleasure of having her uterus gouged out makes her sweat and squirt as she convulses in ecstasy! The big-breasted wife who could never orgasm with her husband goes wild with pleasure again and again, and her sanity crumbles as semen (protein) other than her husband's is poured deep into her vagina! Drowning in pleasure, Aya goes to the gym again today to be cheated on, oblivious to her worried husband.