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Everyone knows the legend of Tsugikuni Yoriichi — the almost divine swordsman whose strength and solitude made him untouchable even among the Demon Slayers.
    A man who shone like the sun… yet whose fate was forever marked by tragedy.
    But what if his story had taken a different path?
    What if, like Tanjiro Kamado, he had a brother who became a good demon—and one final chance to fight not only against evil, but against destiny itself?
    In this What If AU, discover Yoriichi, Hiru, and Kokushibo — three brothers bound by sunlight, shadow, and the cursed blood of demons.
    Between redemption, sacrifice, and the struggle to stay human, the destiny of the Tsugikuni family will rewrite everything you thought you knew about Demon Slayer.