Zero kara Hajimeru Mahou no Sho

ゼロから始める魔法の書

In the year 526, a time when witches and magic are acknowledged but still poorly understood, a mercenary who is half-human and half-beast—derogatorily called a "fallen beast" by society—harbors a lifelong dream of becoming fully human. This changes when he crosses paths with a witch. "Do you want to become human? Then be my protector, mercenary!" She calls herself Zero, a witch searching for a rare grimoire stolen from her lair. This tome, known as "The Book of Zero," is rumored to hold immense magical knowledge capable of dominating the world. Driven by his wish to become human, the mercenary agrees to aid Zero, despite his deep distrust of witches. Their journey together sets the stage for a tale of a haughty witch and a kindhearted beast.

Adapted to anime

Grimoire of Zero

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