Medaka continues to fight Unzen, gaining the upper hand until she is caught by his reinforced invisible wire and is unable to move, leading Unzen to think he has won. Medaka ends up moving the entire school building in an attempt to continue fighting, though Unzen says that because no reform has taken place, she should consider it her defeat. Just as she is about to deal a final blow, the rest of the Student Council members restrain her and she switches out of War God mode immediately, thanking Unzen and leaving.
箱庭学園校舎を破壊しながら続くめだかと雲仙の戦い。
善吉、阿久根、喜界島の三人は、その戦いを見守ることしかできない。
善吉は、二人に問いかける。
「あいつにこれ以上巻き込まれたくないんだったら、あいつの言うとおり
確かに今が生徒会の辞め時だ」
その言葉に驚く、阿久根と喜界島二人の決断は?