Yoichi's father has been teaching him all about martial arts his entire life ...
Samurai Harem
Season 1 Episode 10: Hitô de shitô!
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...