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Mahoutsukai no Yakusoku Mahō Tsukai no Yakusoku
También conocida como: Promise of Wizard; Mahoyaku · 魔法使いの約束 · まほやく · Mahoyaku · Mhyk · Promise of Wizard · Mahōtsukai no Yakusoku · Mahō Tsukai no Yakusoku · Mahou Tsukai no Yakusoku · The Wizard's Promise · 魔法使的約定~
A world where witches and humans coexist. There are five countries on the continent that is the center of the world, and their land patterns and personalities vary from country to country. In this world, a big moon floats in the sky, and people call it the "Great Calamity" that attacks the world by exerting its mighty power. This is the story of the wizards who fight the Great Calamity.