JUX-357 Yui Hatano, the precocious older sister of the bully Hideo

Manji, who is always teased by the bully Hideo, fell and got injured today because of Hideo. Then Hideo's sister Yui came to his rescue and gave the dirty Manji a bath. And Yui was naked too! After that, Manji ended up staying the night at Hideo's house. It seems that Yui's boyfriend is also there... What is the precocious Yui doing? ? Tired from such a thrilling experience, Manji was dozing off to sleep when Yui came into the room...