Miku, the niece of her uncle, who lives alone, comes to visit him for a week during summer vacation. As the two of them live together, her uncle is seduced by her innocent and defenseless appearance and ends up playing a prank on her. At first, Miku doesn't understand what is being done to her, but gradually she awakens to the pleasure it gives her. Don't miss the sight of a young girl addicted to sex and greedily desiring her uncle's body!