Nishida learns that his older sister has become Retro's girlfriend. Sumire reports that Amakasu plans to target Taichi, thinking that defeating Komano and Kana will be easy, to secure three wins for Hokuō with minimal effort. Nishida catches Tsukuba trying to substitute himself for Komano again. To the surprise of both sides, Retro arranges Hokuō's order to have a fair match...