I Became the Lady of a Perished Noble Family in a Horror Novel

I was reincarnated as the cursed lady of a perished noble family in an unfinished novel. Thinking I could return once the story ended, I lived recklessly. But everything remained the same. However, despair only lasted a moment! “First, I need to make money.” Utilizing my ability to see ghosts, I opened a (ghost) detective agency. Thanks to my efficient work, word of my abilities gradually spread. Then one day, a suspicious client came to see me. “If you don’t want to die, you have to help me.” The tyrant who mu*dered his father and brothers to seize the throne, and the hidden villain of the story—Emperor Adolf Cher Kravoner. I absolutely refuse to get involved with a madman! I tried...