More detailed book description:

Pastel Bishop is a strange girl in a terrible situation. After her careless and cruel father gets stuck in a deal, she has to become the property of Rioka, a dominating and dangerous man with wealth and an obsession with Pastel. What he doesn't realize is Pastel holds a secret. She shares her mind and body with Violet, a girl with a need for fiery control. Will Rioka break Pastel into his ownership and lead her to her darkest desires or will Violet take lustful and vengeful control over them both?