Under coercion, I had an affair with my son-in-law. - This was just when Reiko, who realized that she was interfering with her daughter and her husband's plans to have a c**, requested that their cohabitation be terminated. - Her daughter objects, not wanting to make Reiko feel lonely, but Reiko knows that if they continue to live together, she will not be able to reject her son-in-law, who is starving for a man. - But I can't ignore my daughter's kindness... - As a woman, Reiko connects with her step-son, but as a mother, she wishes for her daughter's happiness.They end up living together on a tightrope.