Kamnyamata ka lupanga, Yoichi ndi atate ake akukhalabe m’maphunziro a mapiri chifukwa chotsika phirilo. Yoichi amabwera mumzinda kudzagona ndi kukhala ndi alongo 4 okongola. Gulu latsopano lolimba kwambiri la "maphunziro" likumuyembekezera. Kuchokera ku Wiki: Ataphunzira masewera a karati kumapiri kwa zaka 17 pansi pa ziphunzitso za atate wake, bambo ake a Yoichi Karasuma akulamula Yoichi kuti apitirize maphunziro ake kuti alimbitse mzimu wake ndi banja la Ikaruga mumzindawu, popeza alibe chilichonse chomuphunzitsa. Mtsogoleri wapano wa Ukiha Divine Wind Style Swordplay school of martial arts, Ibuki Ikaruga, ndi abale ake pang'onopang'ono amavomereza Yoichi ngati freeloader pa dojo yawo. Kuwonjezera pa mavuto a m’banja, Yoichi amachita ndi nsanje ya Washizu pa unansi wolingaliridwa wa Ibuki ndi Yoichi ndi moyo wake wa kusukulu.
