My Merit System Adopted The Male Lead

Transmigrated into a male-lead novel, Zhang Su became a destined female partner. But the plot was years away, and she was just a starving girl fleeing war and famine. Death seemed inevitable, lost amidst ruthless refugees. Then, a \"Merit System\" activated! Earn points by doing good deeds, exchange for delicious food and survival gear. Her first act of compassion: saving a dying, scrawny boy from a hungry mob. Three years later, as the original story begins, Zhang Su is horrified. Her 'little brother,' the seemingly innocent waif she raised, is the future, ruthless Male Lead! How will she survive being tethered to the hero she inadvertently cultivated?