Yoichi Karasuma has spent 17 years learning the Ukiha Divine Wind Style of swordplay from his father in the mountains. His father has nothing more to teach Yoichi and orders him to experience life in the city with the Ikarugas, who can teach Yoichi new martial arts. Ryo Washizu ridicules Yoichi's samurai clothes in the city, but Yoichi easily defeats him. Ibuki Ikaruga and her sister Kagome wait in the city to pick up Yoichi. He later chases after a thief, causing mayhem in a shopping centre...