Iruma Ikaruga is living his best high-school life... until mascot-looking aliens from another world invade with their flesh-eating bugs, seemingly hell-bent on destroying humanity violently and effectively! On that fateful day, Iruma loses everything...his normal life, his best friend, and his crush...until six months later, when he catches a glimpse of her again. Is all hope for humanity—or just Iruma himself—truly lost?
Sekka Kamuragi, a "disaster" who can repeatedly regenerate and wields an overwhelming rage. These are the humans who stand against him even while repeatedly facing loss and despair. Iruma, Kyujin, Ren-Ren, Vanilla, and...Tsunashi. What is this "human" figure that they reach after the ultimate battle? And, what is the shape of the "future" that they will open up? Embrace hope and live. Stick to your will and live. The ultimate final volume of the survival battle "puppet show" that illuminates humanity’s light in this world of despair.