Makoto, a son, learns that his beloved parents are on the verge of divorce. And when he finds out that the reason is that his mother, Honoka, is dissatisfied with her husband's nighttime activities, Makoto offers to be a "sex surrogate" on his father's behalf! Honoka is confused by her son's unexpected behavior, but Makoto says, "I can satisfy you, Mom...!" and uses his strong dick to penetrate his mother's body! Honoka also climaxes many times during sex with her son, who is surprisingly compatible with her, and the two gradually fall into a relationship that goes beyond mother and son... #BanchoP Free trial points available for the first time!