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After transmigrating to Konoha, Kira Natsuki awakened a system called the Multiverse Template System.
    As long as he completed specific conditions, he could fuse with character templates from across the multiverse..
    Conan, Luffy, Kamado Tanjirō, Uzumaki Naruto, Kamijou Touma, Emiya Shirou, Inuyasha, Gojo Satoru, Aizen, and more.
    When all the character templates gathered in one body, the shinobi world welcomed its new ruler.