System: I'm Mean but I'm Justified

Yu Xiaofei, a small policeman in a third-tier city, just because of a class reunion. Taking three brothers in the same dormitory to time travel, the most terrifying thing is not the time travel, but the time travel to the prehistoric world. Fortunately, Yu Xiaofei awakened the base god system and led the three brothers on a path of committing base crimes in the wilderness. A hilarious journey of being hated and loved by all the greats. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.