Forever strong, forever your's Estarossa x oc

Who is she? what is she? Where does she come from? this are the questions that everyone wanted to know about her: Miria Blacksworn, second in command of the 8 deadly sins.
Miria, the wolf sin of mystery and decapitation.
At the start it will be a type of introduction, after it will become as the title says :)

Remember that later it will become a Estarossa x Oc