Gachiakuta manga volume 4 features story and art by Kei Urana.

In the middle of the battle with the Raiders, Rudo finally awakened his abilities. He has the power to find the worth in objects and draw it out to its full potential! After driving back the Raiders, one of them revealed Rudo's vital instrument is actually part of a series, as well as the existence of a “border” connecting the Sphere and the ground. Now that Rudo has a clue to returning home, he sets out to solve this brand-new mystery. But many dangers lie ahead…

Gachiakuta manga volume 5 features story and art by Kei Urana. Return to the Sphere and take revenge for Regto's death--that's what Rudo swore to do. After receiving an eyewitness report that people had been seen coming and going from the Sphere to the ground, the Cleaners followed the rumor all the way to No Man's Land to find the mysterious woman who might have the information Rudo needs. They fight off numerous trash beasts and manage to find the woman, but then something goes horribly wrong, and Enjin seems to be out for the count...!

Gachiakuta manga volume 6 features story and art by Kei Urana.

When facing off against the mysterious woman of No Man's Land, Amo, the Cleaners find themselves ensnared one after another by her strange power. That is, until Tamsy manages to turn the tables with one last attack by relying on the power of Remlin's protection spell! After her defeat, Amo begins to tell them about her past, which just might reveal the information Rudo is so desperately searching for…