Despite being shot in the arm, Yoshino, together with Mahiro and the others, manage to draw away the naval fleet and allow Megumu to face the Tree of Genesis with no distractions. When Megumu is about to be defeated, the Tree of Exodus transforms itself into a giant sword, which he uses to destroy the Tree of Genesis for good. One month after the trees disappeared, Takumi provides assistance to the now powerless Kusaribe Clan. Megumu finds the courage to reconcile with his girlfriend and they start dating again. Mahiro and Yoshino learn the contents of Aika's final message, in which she thanks the two for everything they done to her and asks them to move on with their lives. While Mahiro starts dating a girl he saved from the Iron Syndrome, Hakaze leaves the Kusaribe village to reunite with Yoshino.
1人『御柱』と対峙する羽村、その真の姿を現した『御柱』はあまりにも強大で羽村は苦戦を強いられる。
護衛艦隊を守ろうとする葉風たち鎖部一族も護衛艦の迎撃に遭い、一度は重傷を負ってしまう。
「何かが起ころうとしている、その中心」で全てを見守る吉野と真広、二人の脳裏を過ぎるのはある日の愛花だった――。
獨自對付禦柱的羽村,由於其真正姿態過於強大而陷入了苦戰。保護艦隊的葉風與鎖部一族也遭受了砲擊的重創。覺得“在中心點似乎即將發生什麼事”而前往見證一切的吉野和真廣,回憶起了在某一日的愛花……
A pesar de recibir un disparo en el brazo, Yoshino, junto con Mahiro y los demás, logran alejar a la flota naval y permitir que Megumu se enfrente al Árbol del Génesis sin distracciones. Cuando Megumu está a punto de ser derrotado, el Árbol del Éxodo se transforma en una espada gigante...