Moko Sakura's first confinement training work! - Moko is an uncle's son, and they are so close that she often comes to stay at his uncle's house, and even supports him in his idol activities, which his family was against. - However, as she becomes busy with her idol activities and is unable to see her, her uncle's strong love for Moko gradually turns into jealousy and possessiveness. - Then, he restrains Moko who resists, confines her, and repeats lewd and strong insemination sex to make her his.