Ayumu Aikawa is an ordinary high school student whose mundane life is violently cut short when he becomes the collateral victim of a ruthless serial killer. However, his demise is immediately reversed by Eucliwood Hellscythe, a powerful, emotionless necromancer whom Ayumu had encountered just moments before his death. Resurrected as a zombie, Ayumu finds himself endowed with physical
invulnerability and superhuman strength, yet cursed to live in the shadows, constantly decaying and vulnerable to sunlight.Seeking normalcy despite his horrific new state, Ayumu attempts to navigate daily life, only to accidentally absorb the magical powers of Haruna, a hyperactive magical girl battling ferocious Megalos. Because Ayumu inadvertently strips Haruna of her abilities, he is forced to transform into a magical girl himself to fight the demonic monsters in her stead—a humiliating spectacle involving frilly pink dresses and chainsaw combat. As if dealing with his undead biology and cross-dressing magical duties isn't enough, Ayumu’s household rapidly expands to include not only the stoic Eucliwood, but also Seraphim, a haughty ninja vampire searching for Eucliwood, and eventually Tomonori, a ninja warrior entangled in a fierce factional war.Despite the comedic chaos of sharing a roof with these supernatural beings, a brooding danger lurks beneath the surface. Ayumu is relentlessly hunted by the King of the Night, a charismatic yet deranged vampire orchestrating a dark conspiracy. Driven by a fierce desire to protect his fragile, bizarre domestic life and keep his supernatural roommates safe, Ayumu delves deeper into the supernatural underworld. He uncovers dark secrets regarding Eucliwood’s immense, self-destructive powers and the tragic history of the ninja clans.The narrative reaches its dramatic climax when the King of the Night launches a full-scale assault, threatening to destroy everything Ayumu holds dear and forcing Eucliwood to contemplate a fatal sacrifice to protect her
surrogate family. Empowered by the fierce bonds he has forged with the magical girl, the ninja vampire, and the necromancer, Ayumu pushes his immortal body past its absolute limits. Embracing his monstrous nature for the sake of love and friendship, he confronts the King of the Night in a brutal showdown, ultimately defeating the villain, shattering the looming threat, and securing a bizarre yet remarkably heartwarming future for his eclectic supernatural household.