The Dark Whip of the End of the World

In society, I, Brother Chen, are ruthless and don't talk much. He couldn't use his words, so he smashed a country with two whips. … In society, you fat brother, people are cruel and talk a lot. Fight without using your hands, and use your stutter to conquer a country. … The protagonist takes the "Invincible Heroes" system and struggles to survive in the apocalypse with a group of brothers...