This role-play is performed by adults. Suzuka remarried her boss at work. However, things didn't go well with her new husband, and she spent lonely nights sleeping alone. Also, his son Masato's marriage is not going well and he moves back to his parents' house... Masato feels a desire greater than the love between parent and child in the enveloping warmth of his mother. As his mother, Suzuka accepted everything about him and became close to him. Even though she knows that the relationship between mother and child is never allowed, she can never get the pleasure of being alone. The two continue to drown, comforting each other...