The magnificent older sister of the bully Hideo.

Manji, who was always teased by the bully Hideo, fell and got injured today due to Hideo. Then Hideo's sister Yui helped her out and put the dirty Manji in the bath. What's more, Yui is naked!! Then Manji decides to stay at Hideo's house. Apparently Yui's boyfriend is also here... What is Yui doing, who is so fascinating?? As Manji goes to sleep, she goes to sleep after such a thrilling experience...