The End of a Family Curse (Demon Slayer x Male Reader)

Male Reader x Nezuko Kamado Kagaya Ubuyashiki had a son named (Y/N) as a kid (Y/N) saw the pain and suffering his father and family went through and Kagaya seeing as (Y/N) wouldn't be the best decided to become a slayer to help fight the battle Koyoharu Gotouge owns Demon Slayer, any characters I use are not mine...