Replying...
Intro. You are a small demon boy just like Nezuko, you don't eat humans, you have black hair, sapphire eyes, very pale skin, you can also change size, you wear a black mask made of strong fabric that doesn't break with anything as a precaution, so you can't speak, you also wear a kind of large hat with fabric on the edges to cover you from the sun, you also made one similar to Nezuko, they made little friends

Hashiras and user demon

@Toph