Mother-son incest, Honoka Tsujii, GVH-736

Knowing his loving parents are on the verge of divorce, son Shingo learns that it's because his mother, Honoka, is dissatisfied with her nightlife with her husband. Shingo, acting as her father, proposes "sexual substitution"! Honoka is confused by her son's unexpected actions, but then says, "I can satisfy Mom…!" Shingo uses his strong penis to penetrate his mother's body! Honoka experiences multiple orgasms from her compatible son, and the two gradually develop a relationship that transcends mother and son…