Nami invites her son, who dropped out of college and stays at home, on a hot spring trip to get him out. The two have been in a romantic relationship for some time. Despite being his stepmother, Nami struggles with the idea of having a physical relationship with her son. However, during the trip, her son suddenly confesses his feelings. Although he resembles his father, she can't resist. Once they start, they can't stop. Nami takes her son's erect penis into her mouth, drowning in the pleasure of being embraced as they make love multiple times. We bring you this taboo tale of an incestuous relationship.
