Suzuka, who has a son in cram school. One day, after returning from shopping, she finds a young man crouching at the entrance. It's her son's friend, Toru. He seems to have run away from home after fighting with his parents, staying at friends' houses and manga cafes, and spent yesterday on the riverbank because he had no money. Suzuka warmly entertains such a Toru, but Toru, hungry for sex, attacks her. Then, without regard for her son's presence, the young rod thrusts into the mature body repeatedly...
