Hakufu Sonsaku, a young girl blessed with a large chest but a small brain, lives in the country with her mother. She is a Toushi, and as such she has a burning desire to beat people up, but her mother has forbidden it.
One day at school she encounters a Toushi who wants her to join Yoshuu school, and says if she refuses her new best friend will be a hospital bed. Hearing this, she immediately refuses. After the ensuing battle, Hakufu's mother asks her to leave home and go to Tokyo, where she can develop her abilities as a Toushi, and fight to her heart's content.
Story and art by Yuji Shiozaki.