In 2075, space travel between Earth, the Moon, and orbiting stations has become routine. Yet the rapid expansion of space technology has generated a growing threat of debris that can inflict severe or catastrophic damage on spacecraft and equipment. The series follows Technora’s debris‑collection division, focusing on EVA specialist Hachirota “Hachimaki” Hoshino and his new team member, Ai Tanabe, as they navigate the challenges of maintaining a safe and clean space environment.