a silly fanfic of a boy and his old ass great grandpa! I do not own the characters in this these characters are from the hit show and Japanese manga demon slayer also the cover I saw on the bottom there was a tiktok symbol saying 'doumas_discord.kitten' so go to their tiktok and they might know or might be the owner! --this fan fiction includes-- slight misspelling/Grammer-- modern au (there are still demons in this au) -- slow updates-- fannon muichiro and kokoshibo (not iPad kid mui but fag muichiro and kokoshibo is gonna be a little nicer and I am pansexual so I CAN say the f slur so any hate comments about it will be deleted fuck you^^ p. s I don't say it that much tho so don't overreact you sons of bitches) -- genmui muzan x kokoshibo cursing beatings crossovers enjoy!!