Mai, a girl who has lost her parents and lives with her uncle. She has always been distracted and restless, and she has caused trouble to her uncle many times, such as being taken on by a door-to-door salesperson and buying unnecessary expensive items, but her uncle has been kind to her to understand her. However, one day, it finally developed into an irreversible situation ... Bondage, vaginal shot, training, candle blame ... The relationship between the two collapsed and the heart of a pure girl is broken.