After a series of failures, Akatsuki decides to infiltrate Akihabara to truly understand the heart of his enemy. At the same time, Arahabaki begin the next stage of their plans in hopes to regain all that is confiscated in the former exhibition hall.

Akatsuki believes he has seen the true face of Arahabaki and finally decides to end things once and for all. Arahabaki must decide their plan of action before the True Army launches their attack. However, Hosomichi continues to hold doubts.

As the situation gets dire, Munakata convinces Hosomichi to betray Arahabaki and steal the Garanndoll. Hosomichi leaves behind three angry battery girls. Just in case, Tanaka and the rest of Arahabaki prepare a new battery for their pilot's return.

As the situation gets dire, Munakata convinces Hosomichi to betray Arahabaki and steal the Garanndoll. Hosomichi leaves behind three angry battery girls. Just in case, Tanaka and the rest of Arahabaki prepare a new battery for their pilot's return.

Natsume heads into battle in an attempt to save Pipe, and the Tankers take notice. A potential for career advancement brings Kaburagi to a crossroads as a new event looms for Deca-dence.

Misa goes out and tries to save Hosomichi, who is currently stuck underground. Meanwhile, Arahabaki tries its best to stall for time against Yakumo's giant Garann, Banki. With both battery girls out of commission, Misa stands up to the challenge.

Kaburagi and Natsume and the other Tankers deal with the aftermath of the battle with the Gadoll. As Kaburagi reflects on his past, he comes to a crossroads.

Hosomichi meets the new battery girl, Misa Kuroki. She is a hacker, a gamer, and a cardboard box shut-in. Misa panics and locks herself in the recharging room. The members of Arahabaki must win a game against Misa in order to regain access.

Fran and Sheila look back at how their first adventure and how their relationship has changed since they first met.

Hosomichi meets the new battery girl, Misa Kuroki. She is a hacker, a gamer, and a cardboard box shut-in. Misa panics and locks herself in the recharging room. The members of Arahabaki must win a game against Misa in order to regain access.

Elaina visits the Land of Truth Tellers and finds its citizens strangely quiet and not at all like the honest people she expected to see.

Things are settling down with the two battery girls, but Hosomichi's regret is catching up to him. He believes what they fight for may not be worth the damage they cause. Meanwhile, a strange box appears in their room...

Elaina arrives at the Land of Mages hoping to be treated well because of her status as a witch, but her time in the country takes a new direction after she meets the novice, Saya.

Things are settling down with the two battery girls, but Hosomichi's regret is catching up to him. He believes what they fight for may not be worth the damage they cause. Meanwhile, a strange box appears in their room...

Hosomichi and his battery girls continue to fight desperately as the Exhibition Center approaches the final defense line. Commander Balzac tries to stop them, fearing that Hosomichi will make the same mistake as he did ten years ago.

Hosomichi chases after Yuki to bring her back onto the stage, but she has already given up hope. Yuki can no longer meet the expectations of her fans. However, Hosomichi uses some unknown means to obtain a special item that may be a game-changer.