Toru, a father-in-law who only knows the opposite sex, lost his beloved wife last year and had no purpose in life. At that time, his son Tatsunori and his wife, Yuka, who had been transferred, returned. Beautiful Yuka's elegant lips look like those of her late wife. Unable to contain her desire to touch her lips, Toru gently kisses Yuka, who was sleeping one night. However, Toru, who can no longer forget the touch of Yuka's lips, is alone, forcibly forces her to kiss her, and even devours Yuka's beautiful body...