Chiharu, an enhanced human, and Makina, a cyborg, are arrested for violating the Galactic Road Traffic Act. As punishment, they’re assigned to clean the interplanetary transport train—commonly known as the Milky☆Subway.
It was supposed to be an easy job... But before long, the two are caught up in a major incident! No ideology! No beliefs! No message! Just vibes!
Get ready for a wild, unprecedented space-train spectacle that rides on pure momentum!!