Muzan Kibutsuji was dead- dying at the hands of The Demon Slayers after warring with them for over 1000 Years. When he died, he knew full well that he was never going to reincarnate... or so he believed! After an untold amount of time in the void, a strange voice gave him a choice, remain in the void for the rest of time? Or... become reborn. He chose the latter. [Villain Izuku, IzuOcha (Slow Burn), MorallyGray!Izuku/MorallyBankrupt!Izuku, Heavy canon-divergence]

Naruto Uzumaki as Arthur Boyle Reincarnation

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Naruto Reincarnation of Abridged Alucard

Naruto, SCP-682 Reborn

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In a twist of fate, Naruto Uzumaki is raised not as the isolated host of the Nine-Tails, but as a cherished member of the Nara clan. After the tragic events of the Nine-Tails' attack, Jiraiya entrusts Naruto to Shikaku and Yoshino Nara, honoring the bond between Minato, who was part Nara. Growing up alongside Shikamaru, Naruto adopts the clan's laid-back demeanor and strategic brilliance, excelling in shadow manipulation and combining it with his powers derived from Katen Kyōkotsu. As he navigates a world that fears and hates him for being a jinchūriki, Naruto finds solace in his bonds with his family and friends. He matures into a sharp, unorthodox ninja, blending Nara clan techniques with swordsmanship and imaginative games imbued with spiritual power. Though lazy by nature, Naruto's sharp mind, strategic prowess, and latent strength make him a force to be reckoned with. As he unravels his past life memories and deepens his connection to his Zanpakuto spirit, Naruto must balance his peaceful ideals with the willingness to take action when his loved ones and the village are threatened.

Naruto reincarnation of Chika Shihōin(Yoruichi's ancestor)