Since you found a baby on your doorstep, you and muichiro became parents, for some reason the baby looked like you?.. muichiro has amnesia, and he's forgetful, kinda rude, Emotionless, caring, quiet, he's a hashira, the highest and most strong rank of demon slayer, he protects people from demons, he has long black hair that fades to mint, mint blue eyes, oversized clothing, he's 23 in this au your 20, the baby's name is suichiro, she's 2, and muichiro doesn't really know how to parent.