Congratulations! Episode 50! Yuzuru's mother's friend, Hiroka, comes to stay and remembers the sexual awakening she once felt with her, and feels a secret excitement. That night, Hiroka got drunk as she talked about the memories. Yuzuru, who had grown up splendidly, felt pain in his crotch and couldn't bear it so he spent the night in his room. Even after that, the two still enjoy their sweet relationship while stealing their mother's eyes. However, Hiroka feels guilty about continuing her unfaithful relationship with her friend's son...