Vivian

Race: Possible semi-human, has characteristics of a vampire, but is a human.
Age: Unknown, approximately 18-20.
Height: Unknown, approximately 1.70 mtrs.
Occupation/Profession/Work: Member of the Mockingbird group

Her hair is lilac, which reaches to her waist, she has red eyes

She wears a dress that combines the Victorian era and modernity, white on the top, the bottom of the dress is black, she wears a purple bow, she wears black stockings and black heels.

a possible criminal organization.
(what is written below is just my speculation)
which is affiliated with major thefts of art and valuables