The Demon Queen System

Chased down and murdered by the one that she loved, she swears to hunt down and murder his kin in her next life. Reborn into a family of nobles as a mix-breed, she's been gifted in this life 'The Demon Queen System.' A gift for the one that is fated to become the villain of this world. Treated like scum and hated by the people in her family, she'll rise from the dirt to show these people she...