Invincible xueba system

The rich Chen Chen was living a winning life, but his family was ruined overnight, and his girlfriend ran away with someone, and the culprit was actually his best brother. When Chen Chen was almost run over by a car, the system lady came down from the sky, "You want revenge? Then call the bully ~" unwilling to die, Chen Chen endured the "humiliation" of being taken advantage of by the loli, to help him conquer the world of the school bully system, in the new world after the collective human intelligence was lowered, to embark on the invincible stream of pretend life, to become a top talent in the overall development of moral, intellectual, physical, social and aesthetic development to complete! Revenge! Huh? I just want to fight and upgrade, why so many girls follow me to run?