Quick Transmigration: Villain, It's Time for Your Meds

When the system binds her fate to a villain's luck, Yan Yu has one job: keep him happy or suffer the consequences. Armed with a wrench and zero patience, she travels through worlds boosting his fortune—until his obsession meter hits critical levels. Now the villain she's been protecting wants her, and his "blackening" value is off the charts. Her advice? Take your medicine. His response? A slow, dangerous smile that suggests he has other ideas entirely.