Sekine Madoka (42) is a housewife living with her husband and son. Lately, worried about her husband's late returns home, she confided in her son, who kindly suggested they sleep together for comfort. They ended up sharing the bed in her husband's absence, and as she felt her son's warmth beside her, her emotions slowly began to stir. Gazing at his sleeping face, she was surprised to find he resembled her husband when he was younger. That night, lying next to her sleeping son, she began masturbating, but unsatisfied, she ended up giving him a deep, passionate kiss. A new, forbidden emotion emerges within the bonds of family.