Black To Pure

Mia, a young delinquent sent to jail at a young age due to her crime.
She's smart, ductile and cunning as she uses her wits in order to survive.
After being released from jail, she is introduced into a world unlike the life she left, in which without her sister Maria. When leaving she comes to learn that her sister left her the options of living a better life in which she has made or sacrificing everything and accepting to change other fates with the witch who would secure her immortality and love.
But Who would have thought that her sister would have a secret life unknown to even her sister?