Fics like A New and Mighty Demon King's Harem

Following the attack which left the Kamado family devastated, Tanjirou Kamado and the only remaining survivors such as his sister Nezuko and his mother Kie try to move on, finding that the attack left Tanjirou completely changed in the process. He has become a new, more powerful Demon after enduring the hellish transformation that left him immune to sunlight as well as able to live without digesting blood. He has come with new powers and abilities, as well as a dark sexual hunger for female flesh which include even his loving older sister Nezuko and his mother Kie. On the hunt for his family's attacker, as well as beginning his journey to become the next Demon King, Tanjirou aims to recruit more women into his growing harem of lovers, partially in hopes of stabilizing his wild side.

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