Ai, who innocently adores her uncle. Contrary to those feelings, her uncle, who has been hiding his lewd intentions while looking at her sexy body with lewd feelings. One day, when they take a bath together for the first time in a while, he notices his erection and shows interest. Taking advantage of that, he defiles Ai's virgin tight pussy. From that day on, the uncle, whose stopper has been removed, makes Ai, who doesn't know that the act is making a baby, covered in milky white...