Unlike most Tankers, Natsume dreams of joining the fight against the Gadoll. Natsume must leave the orphanage and get a job.

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.

Kaburagi finds out more about Natsume's past, while Natsume starts training to fight the Gadoll in hopes of joining The Power.

Natsume enters battle with the Gadoll for the first time to save Pipe, and the Tankers notice. Kaburagi reaches a crossroads with a potential career advancement.

Natsume heads into battle with squad 6 to defeat Gadoll alpha. Kaburagi is forced to confront a decision he thought he had avoided. Will Natsume survive Solid Quake's drastic event?

Kaburagi is captured and sent to a correctional facility for defective cyborgs, leaving Natsume to look after Pipe.