Believing the promises to protect her child, the single mother decided to send Sato to her brother Aki in the city to take care of her while Sato was studying for college.
Aki is a very lewd old fox, he knows that Hasu's sister has a very beautiful child, Sato, and after learning that Hasu will go to the city to prepare for the university exam, he invites his granddaughter to his house to pick her up and take care of her. Entrusted by her brother, Aki was secretly happy and he quickly made a plan to "flesh" the girl who was about to enter the university gate full of hardships and suffering.
....
As soon as Sato returned home, the bestiality uncle locked the door and immediately rushed in to rape his beautiful niece. He sees Sato as a sex doll, and when he is free, he forces his grandson to "serve" him.