Aikawa Ayumu is a normal high school boy. One day he is killed by a serial killer and revived as a zombie by a necromancer named Eucliwood Hellscythe. He starts to serve Eu as her guard but he happens to deprive the masou-shoujo Haruna of her magic power. Haruna orders Ayumu to fight against the anti-masou-shoujo system “Megalo” in her place.
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