As the bloomers and spats debate continues into the festival, Fumino finds Nozomi deciding whether to wear bloomers or spats. Fumino tells Nozomi to pick the choice she wants. Nozomi then wears both bloomers and spats and wins the debate, stating that she wanted everyone to be together. Meanwhile, Otome learns from the principal that Nozomi was a runaway prodigy from the Murasume Academy. She was to become the 13th Murasume and be adopted by the Murasume household. The principal then finds Nozomi in the middle of the three-legged relay and demands her to return. Nozomi refuses stating that she wants to find her own desires and sees Stray Cats as her family.
梅ノ森学園を真っ二つにしたブルマ派とスパッツ派の決着をつけるべく、ついに体育祭のリハーサルが開始される。
盛り上がっている千世たちとは裏腹に、まだ自分がどちらの味方につくか決めきれていない希。 その希に、様子を見に来た文乃が言う。自分の気持ちに素直になればいいんじゃない、と。 それを聞いた希は、テーブルの上に並べたブルマとスパッツを見やり、心を決める。
そして、競技場に現れた希の穿いていたものは……。
