Hoshimiya Eiji is forced the truth--The Great Destruction was caused by his sister, Sena, and to protect her, he stole her powers and rewrote her memories. With Sena helping him, Gennai begins to open the Gate. The Group of Ten rushes to the scene to face him in the final showdown, but can they stop him in time to prevent another Great Destruction? With Sena's life and happiness at sake, what choice will Eiji make?!
UNIGM Public Safety Division Vice Director Hoshimiya Gennai enters his facility in Heijoukyou, Nara to finally open the Gate to the other world. Hiiragi Yoshitsune and Dazaifu's Group of Ten surround the facility and commence their attack in order to put a stop to Gennai's scheme. Meanwhile, Hoshimiya Eiji has trouble hiding his hesitations toward Iyo's feelings for him.
After stopping the nuclear missile, Hoshimiya Eiji has a moment to rest, but then Franc awakens his sister Sena! While the others gather information on the Order who can help cure Sena, Eiji and Rin head out to claim Hiroshima as his domain, but while they're enjoying themselves a mysterious new force appears! What's happening to Rin?!
The operation to capture Yamaguchi heats up as Hoshimiya Eiji learns it's all a ploy to turn him into a moving target for tactical nuke strikes. As the nuke draws closer, Eiji is forced to fight against all the hatred turned towards him as he struggles to save Yamaguchi from the nuke all by himself.