Yoichi's father has been teaching him all about martial arts his entire life but now has to move to the city to learn more. On his first day he tries to apprehend a thief but ends up being arrested instead.
Yoichi finds the new girl, Tsubasa, in school cute. After classes end, Angela strips Tsubasa and turns her into a fighting machine. She attacks Yoichi.
Ibuki and Yoichi put on a swording fighting demonstration and Yoichi ends up ripping Ibuki's clothes. Afterwards Yoichi has an interview but the girl starts to seduce him.
Ibuki accidentally knocks out Washizu while chasing after Yoichi. Washizu ends up at the school nurses' office and while recovering daydreams about confessing his love to Ibuki.
The group goes to the beach where two brothers are lying in wait to fight Yoichi. Later on everyone plays in the water but Kagome, who decides to runaway into the forest.
While on a free trip to a hot springs, the host tells Yoichi and the others that ghosts have driven guests away. Yoichi and Ibuki volunteer to exorcise the ghosts, but Ukyo and Sakon begin their scheme by releasing a sleeping gas throughout the inn.
The Saginomiya's siblings' schemes continue, as they propose the Ikarugas a "first-class celebrity" lifestyle in exchange for Ibuki, who, due to the sleeping gas, has reverted to a child-like mental state.
Yoichi, Kagome, Chihaya, and Ayame arrive at the Saginomiyas' residence and cross the river surrounding the castle using a makeshift raft. They enter the castle to rescue the amnesiac Ibuki from marriage to Ukyo.
