★A track and field club girl with breasts about to burst out and a plump ass. Her stepfather, who is her father through remarriage, tries to do perverted things under the guise of coaching. Finally, his desire...★The daughter of his remarried partner is a college student who works hard at track and field. As he watches her buttocks spilling out from her training wear and her mother's inherited breasts, he starts to want to cross the line...★He isn't satisfied just touching every part of her body under the pretense of stretching...★He forcibly intrudes on her while she is in the bath and performs lewd acts without getting caught.★Finally, even the daughter succumbs to pleasure and ends up in a deep relationship with her stepfather's penis...
