Unlike most Tankers, Natsume dreams of joining the fight against the Gadoll threat to humanity, instead of leaving it to the Gears. It is time to leave the orphanage and take a job. Will she be able to accomplish her dream despite society’s expectations?

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.

The time has come for Kaburagi, Natsume, and the others to put their plans into action. Little do they know they’ve been betrayed. Can they stand against the system, despite the already slim odds of success?

It’s a race against the clock to defeat Gadoll omega. However, even if Jill’s plan to use Deca-dence as an avatar works, the fortress main weapon is in shambles. Will Kaburagi and Natsume find a way to defeat omega and save Deca-dence?