【初川みなみSM緊縛！】For the entrance exam to a university in the city center, Minami, a candidate from the countryside, moves to Tokyo and stays with her uncle, Akihiko. Uncle Akihiko, who has lived alone and lonely, regains his vitality seeing the grown-up figure of his beloved niece from childhood. As he continues to treat Minami as he did back then, he gradually develops special feelings towards her... Bondage, creampie, endless training, the girl's heart is swallowed by ugly desires and tightly closed off.
