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?
Iruma, who can't give up on rescuing Kumano-sempai, rushes towards a Doll House in the mountains. What Iruma witnessed there was a single man fighting a Dolly alone... Namekata!! While being chased down by an extraordinarily strong Plushie, Iruma and Namekata accidentally begin fighting it together! This is the survival battle against the world falling into despair, the "Dolly Show," in Volume 3!!