Othello.

From Del Rey: Yaya is a naïve and trusting girl. Hard-rocking, butt-kicking Nana is just the girl to grab hold of Yaya’s timid demeanor and turn it upside down. Can there be anything that terminally shy Yaya and hyper-confident Nana have in common? Well, for one thing, they’re the same person… Also, the disorder is called DID.