World-renowned actor Li Xi lived a glorious life, never playing a supporting role—a true winner in life. Yet, after death, he was bound by the Main God to a "Male Supporting Character System," crossing into various worlds to fulfill the wishes of those male supporting characters who served as stepping stones for the universally adored heroines, only to be mercilessly erased in the end. Counterattack, face-slapping, crushing scum, revenge— Even as a supporting character, he will shine with the brilliance of a protagonist.