Sister, I Promised to Marry You This Lifetime

A father's ultimatum sets the stage for a twisted romance: fail at life, and childhood friend Li Feifeng becomes your wife—but succeed, and she's forever just your sister. Caught between ambition and affection, one young man must navigate the impossible choice between proving himself to the world and claiming the girl who's always been by his side. In this bittersweet coming-of-age tale, every achievement pushes love further away, and every failure brings her closer. Can destiny be rewritten when success means losing everything that matters?