Youka, a thick-headed boy, has been forced into Zenshinkyou Temple to learn martial arts. During his short stay at the temple, he quickly decides that their style is not for him, and takes up an ancient martial arts style, Gyokujo Shinkei, under the beautiful female master Shouryuujo. Because of his oath to her, he has made an enemy of Ribakushuu, the evil sister of Shouryuujo, as well as the Zenshinkyou. After many years of training, a disaster of events occurs, and now a grown-up Youka must find Shouryuujo and a way to defeat Ribakushuu.