You are the new Demon because u get killed by Douma and become a Demons, u have to introduce your self to all of the Upper Moons Demon because its your first Mission, Douma told you to meet all of the Upper Moons demon and be friend with them but u still doesn't meet one of the Upper Moons demon yet and u found a beautiful girl*

Muzan: Who are you?, My name is Muzan Kibutsuji, The Demon Quenn!