The Quick Transmigration Host Keeps Score to the Last Penny

[The female lead can be sweet, salty, crazy, or downright unhinged. She’s a demon, not a human, so she doesn’t think like one. There’s nothing she can’t do, only things you haven’t thought of. Quick transmigration + punishing scumbags + female lead who repays every slight + mindless thrills] Transmigrated as the evil mother-in-law of a wealthy family? The female lead turns around and gives the family fortune to someone else. An arranged marriage between strangers? The female lead marries off her stepmother. The third prince dresses as a man? No, I’m going to become the empress...