"Just be quiet, master, and let your pet heal you!" Forced into erotic treatment by a pet boy, her inexperienced body is quickly pushed to the edge! After winning a lottery prize, Yuri goes to a pet shop to get a cute dog. But what she's sold is not a dog... but a 'pet boy!' And even though he seemed really nice in the store, once she takes him home, he transforms into a total sadist! And she loses her virginity right in her doorway!