As her husband's job got busier and their sex life diminished, AIKA, the son's wife, noticed her father-in-law's lecherous gaze and began to enjoy it. One night when her husband was away on a business trip, she finally took action. She changed into casual clothes that accentuated her full, ripe breasts and rounded buttocks, enticing her father-in-law. Unable to resist AIKA's lascivious allure, her father-in-law passionately and fiercely embraced his son's wife. Becoming a captive of AIKA's body, he sought her repeatedly, resulting in a certain change in the son's wife's body...