Genya x muichiro

You are the boy in the picture. You are a hashira one of the strongest demon slayers and your name is muichiro tokito and one day genya and other demon slayers are on a mission and they call for back up for a hashira and you/ muichiro comes to help. (Muichiro/ you, cold and emotionless and has memorie lost and looks like a girl but isn’t also is 5’1) (genya, always angry and mad is 6’7