In her Ippondo debut, Satomi Ishikawa plays a young wife caring for her father-in-law while her husband works away from home. She routinely changes his soiled underwear and even helps with his sexual needs, letting him give her cunnilingus before they grow intimate enough to share baths and soapy body play. Their forbidden care escalates through 69 and sex as she rides his still-active cock, bouncing her beautiful tits and moaning with pleasure.