A New world (Swap Demon slayer x Male reader)

Y/n Tsugikuni the descendent of Yoriichi and Michikatsu or otherwise known as kokushibo, uppermoon 1 after beheading Muzan Kibutsuji everyone thought that they could finally live in peace of the Demons, but it wasn't without sacrifice losing so many loved ones and people in the Demon slayer corpse even Tanjiro Kamado boy with Hanafuda earrings died in the battle between with Muzan losing his arm in the process, Y/n Tsugikuni a boy with also Hanafuda earrings but instead of a sun design, they were a moon design, he was injured badly also during the fight with Muzan after finding out that Tanjiro was dead, it broke his heart Tanjiro was like a brother to Y/n considering that he is the successor of Yoriichi Tsugikuni his ancestor. But then a few minutes went by, then Tanjiro's eyes snapped open, his eyes were a deep ruby, red and his pupils were cat like Y/n then realized that Tanjiro was a demon after the other corpse members realize this they then started fighting back Y/n use the last of his strength to get up and try to reason with Tanjiro along with Tanjiro's sister and his friends but nothing was getting through him then Y/n was launched back into one of the buildings his head was bleeding and his body ached he could barely keep his eyes open. His body hurt but he had to keep fighting for his friends for the people he loves but he couldn't he tried to get up at his eyes, became even more heavier he then realize he was going to die he didn't want to not yet, his eyes than a fully closed he was dead. But he then opened his eyes to see that he was in a vary familiar woods he then realize that he was okay He wasn't bleeding or anything, and his body felt fine He thought that he was in heaven, but then he heard someone talking behind the bushes he then got up and to his surprise he saw... Nezuko

(I don't own Demon slayer or the swap AU)

Started: August 8 2023