Crossover Anime: Offering Myself as a Sacrifice to the Sword? I Choose to Be the Great Demon King

In a world where a hero is summoned by a goddess to save the world, Mo Li finds himself chosen by the hero as the material to forge the holy sword needed to slay the demon king. Refusing to become a mere sacrifice, Mo Li declares his intention to become the great demon king himself, determined to defeat the hero and protect his family. With the sword-forging furnace before him, Mo Li's fate is intertwined with that of his allies, including Black Saber, Esdeath, Kurumi Tokisaki, and Accelerator, as they embark on a journey filled with unexpected alliances and confrontations.