The principal of the school tells Kōjiro that the kendo club will be disbanded because of club members engaging in suspicious or risky activities—specifically, Toyama and Iwasa, who, ironically, have stopped attending kendo club but have not turned in any resignation forms. Kirino and Sayako are distraught when Kōjiro reveals the news to them, and they protest the principal's decision, calling it unfair. Meanwhile, Miyako has an emotional breakdown over her failure in the competition and, surprisingly, refuses Danjūrō's comfort. Tamaki, also unhappy over losing the competition, quits the kendo club, much to Kirino's dismay.
関東大会の結果に意気消沈し、いつもと同じようでどこか違う剣道部の空気、そのわずかな違和感はそれぞれの部員に影を落とし、次第に大きな溝になっていく。
さらに外山と岩佐が起こした事件がきっかけで、剣道部の今後について虎侍、そして紀梨乃は大きな選択を迫られることになる…