Okabe must convince Maho to give up her prized possession, but an unexpected danger has them negotiating for their own lives.

The competition in the Rating Game is getting heated. Can Team Gremory keep their cool and prevail, or will Issei be undone by a strip show?

Three of the Magic Knight captains—Jack the Ripper, Charlotte, and Nozel—appear and come to Yami and Asta's aid in fighting the Third Eye. Asta is told that his grimoire and swords belong to Licht's master, and Licht wants them back.

Riku and Sarah finally confront Tsukasa Shiba, the mastermind behind the Mass-Divers. Undaunted by the intense hatred of GBN that courses through Shiba's whole body, they try to engage him in dialogue. Meanwhile, a huge mobile armor appears in the space around the resource satellite where the main battle is taking place, strengthened even further by the Break Decals' power

As Subaru's beloved mecha is on the verge of collapse, memories of his time with the Durandal's designer come rushing back to him. The reason the cockpit became Subaru's sanctuary is about to be revealed.

In a parallel world, Hibiki and Hachirou face off with the Joujinshuu one final time. The Joujinshuu are caught off guard and overwhelmed, but Joujin still has a final trick up his sleeve: a deep connection to a powerful, hidden ninja.