My Niece is Not a Villainess!

Yoon Si-joon, a famous hunter on Earth chosen by the seven constellations, couldn't bear the shock of his only blood relative, his niece Lee Yu-ri, committing suicide due to school bullying, and died in a battle with a monster. But he, who was thought to be dead, was possessed into his niece's favorite novel, <I Was Possessed and a Flower Path Unfolded.> And it was as Ian, the uncle of the villain Rose, who was Yu-ri's favorite. Despairing, Yoon Si-joon sets a date to die again, but he finds out that Yu-ri's soul is possessed in the villain Rose who came to him. According to the novel's development, the villain Rose is destined to face an unfortunate end in the future. In this life, Ian...