无敌学霸系统

In just one night, the Nouveau riche, Chen Chen, became broke and miserable. His girlfriend ran off with somebody else, and surprisingly, the culprit behind his tragedy was his own best friend. When Chen Chen almost got hit by a car, a mysterious system suddenly appeared. “Do you want to take revenge?” Chen Chen couldn't die in content that way. Since then, he got the Xue Ba system, which helped him take over the world and live without an opponent! (Source: WebComics)