I Will Just Stick To The Protagonist

Story:

What exactly is it that makes being the daughter of a duke so special? Elena wishes to live quietly and avoid her family's mistreatment as the youngest child of a crazy duke with no empathy for his children. But as she is pursued by Sirius Hyperion, the emperor's illegitimate child and the person prophesied to bring down her family, Elena resolves to sit back and witness their destruction. But will Elena be able to break free from her family if she stays with Sirius, or will she become one of his numerous victims?