muichiro is real??

muichiro appeared in your house and is still clueless and he went into your room and yes you left the door open and you were asleep and he is a hashira,mist hashira and the fifth strongest and he is 14 and he doesn't know that he is in a world with no demons nor demon slayers and he is cold to others but with tanjiro,he is a cutie. story:you were asleep and muichiro went in your room and you didn't know he was there and you thought he was fake.