"Stop it!" Masami (Masami Niikura) was confused because she was overwhelmed by her son's friend Atsushi. Her partner is her son's friend whom she has known since childhood. If this is found out by her son, it will be a big deal. However, her body feels it even though she knows it. As a mother, as a woman. While swaying between the two conflicting thoughts, Masami gradually weakened her resistance.
