Koukaku no Regios
In the distant future, a polluted world has been overrun by havoc-wreaking creatures called contaminoids. Humanity, having been forced to relocate, must live in isolated mobile cities called Regios. Layfon Alseif, a mysteriously skilled fighter, enrols in the Academy City of Zuellni and is immediately noticed by Nina Antalk, leader of the 17th Military Arts Unit. He reluctantly joins her squad, un...