ORIGIN manga volume 4 features story and art by Boichi.

If I don't do something, everyone's going to die.

Origin arrives in Kyoto with Mai and Dr. Fermi, only to find the director of AEE’s A.I. Institute recalcitrant at best—but that’s the least of their worries after Origin’s robot brother GON shows up and goes on a merciless rampage! Committed to protecting Mai but unable to reveal his true identity, Origin must make a deal with the mysterious “data-mind” Y in order to find a way out of this lethal ordeal!

ORIGIN manga volume 5 features story and art by Boichi.

You got a death wish, Tanaka—?

To carry out his new central dogma—“protect Mai Hirose”—ORIGIN dons his exo-muscle armor and charges into battle against wave after wave of identical GON replicas. Victory seems within his grasp, until a powerful new foe bursts onto the scene. With the Kyoto A.I. Institute coming down around his ears, flight is ORIGIN's only chance at survival—but for Mai's sake, he will overcome his programming and fight on, armed with a new weapon:

an independent WILL…!

ORIGIN manga volume 6 features story and art by Boichi.

I know what you really are—!

As he demolishes one identical GON-BOT after another, ORIGIN's own body is slowly but surely brought to the brink. But even when the massive GON PRIME bursts onto the scene wielding unimaginable destructive power, ORIGIN exercises his newfound will to prioritize protecting Mai Hirose over his own survival. Physical power isn't everything, though—and the knowledge of GON PRIME's true identity might just give ORIGIN the edge he needs!