Cheating Men Must Die opens with the premise that oppressing scum offers momentary satisfaction, while continuous oppression yields ongoing contentment. Su Lüxia, the resilient female protagonist, finds herself bound to the Second Female Lead Counterattack System, transmigrating into various small worlds. Employing intricate strategies, she exacts revenge on numerous deceitful individuals. For Su Lüxia, the tears of remorse from cheating men and the futile cries of unsatisfied women bring solace. However, the System questions whether she has tapped into her humanity. This manga presents a compelling narrative of vengeance and justice, showcasing Su Lüxia’s relentless pursuit of retribution against those who wrong her.