After 17 years of learning Ukiha Divine Wind Style Swordplay in the mountains, Yoichi Karusuma is ordered to experience life in the city with the Ikarugas by his father, as he has nothing more to teach him. After he arrives in the city, Yoichi is ridiculed by Washizu for his samurai clothes and easily defeats him. The Ikarugas wait in the city to pick up Yoichi. Later in the day, Yoichi chases after a thief, causing mayhem in a shopping centre. During his pursuit, Yoichi unknowingly encounters the Ikarugas in embarrassing situations. After he successfully stops the thief, he returns a lost Kagome to Ibuki. Outside the shopping centre, Ibuki asks Yoichi if he is Yoichi. He agrees. The police arrest Yoichi for causing mayhem but releases him afterwards. Ibuki takes Yoichi to her dojo and introduces him to her sisters