After Being Reborn, the Heiress Takes on Scoundrels with Metaphysics and Face-Slapping

In her previous life, she was the heiress to a wealthy family, but her scumbag boyfriend and his mistress conspired to kill her. Reborn at eighteen, she discovers that she has awakened a talent for the occult! Seeing ghosts is one thing, but she can also casually draw talismans worth a fortune, bringing terrible luck to everyone who ever bullied her. Her scumbag boyfriend drops to his knees and begs for mercy? She hits him with a misfortune talisman and drives him into bankruptcy! His mistress puts on a pitiful act to win sympathy? One truth-telling talisman makes her expose her own scandals in public! As she takes the world of the wealthy by storm as an occult master, a mysterious powerbroker corners her against a wall. “My lady, my fate is missing you.” Wait, when did she become his lady?