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During Japan’s chaotic Warring States period, a modern man awakens as the demon warrior Nakai Shinji.
    Equipped with a unique “affection system” that lets him gain powerful abilities by bonding with weapons, objects, and artifacts.
    Shinji forges an alliance with the legendary shrine maiden Kikyō and becomes entangled with the sacred Shikon Jewel.
    .....
    World Fusion;
    Inuyasha, Oda Nobuna no Yabō (The Ambition of Oda Nobuna), Nura: Rise of the Yokai Clan, Noragami, Campione! (God Slayer), Demon Slayer, Type-Moon, Japanese history and mythology, etc