Tired of living in the city, a man returns to his parents' home in the countryside for the first time in several years.Waiting there for him was her niece, who had grown into an attractive woman.Her mind is so young in comparison to her body, she innocently pulls her body closer and presses against her chest.Furthermore, her uncle's reason will collapse if she is shown naked without hesitation, saying, "Let's take a bath together."Her niece's young and beautiful breasts are caressed, licked, and massaged to her fullest. "Because it's a secret from Papa," eventually develops into a forbidden relationship with her niece.