As the world teeters on the brink of chaos, ancient legends materialize and mystical beings threaten humanity's existence. Amidst Japan's turmoil, Yu Ichinose, a timid middle-schooler, navigates the remnants of a shattered society until his path intertwines with an enigmatic elvish girl harboring hope's essence. Bound by destiny, Yu must wield the Asura Frame, embarking on a journey to vanquish dark forces with bravery and magic, becoming the unlikely savior of a world on the brink of destruction.