This role-play is performed by adults. Momoko, a mother who has been separated from her husband for 15 years, has devoted her life to her beloved son without remarrying. One night, I heard gasping sounds coming from my son's room. When Momoko spies on her beloved son having sex, she is dominated by jealousy rather than the joy of seeing her son grow into an adult man. After this day, Momoko's attitude toward her son changes completely. Momoko, who is struggling with the wall between parent and child but cannot suppress the sexual desire that has been building up for 15 years, invades the bathroom while her son is taking a bath...