Her husband is Maiko, who is on assignment alone and lives with two mothers and children. One day, my son brought his classmate Haruto home. Haruto, who was more conscious of Maiko as a woman than her mother, takes advantage of her kindness and forcibly enters into a physical relationship. Even though it is force majeure, Maiko is troubled by the fact that she has a relationship with her son's classmate. However, the body, which had been hungry for pleasure for a long time, was helplessly wet and opened its crotch in search of a meat stick.