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?

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.

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?