Demon City: Being Trapped in a Nest of Dolls by the System, Resisting and Becoming a God

City people squeeze into the bus to go to work during the day, and after get off work, they live in a state of feasting, drunkenness and luxury. They repeat the monotonous life day after day! Xia Yan traveled around the city, killing monsters and leveling up, and she also monotonously repeated the action of killing monsters every day. Is this how adults should live? No, I don't want life to choke me, I want to pick up my microphone and sing loudly... Xia Yan awakens the system and wants to resist the rules of heaven... At this time, a voice came, "Xia Yan, when did you wake up!" Xia Yan: "Are you awakened too? Do you also have a system? Doesn't the system have any cost? It is distributed randomly..." The rules of this world are messed up...