Rong Zheng was a soldier in an interstellar empire. After being caught in a spatial storm, his soul was swept into countless small worlds, where he became a cannon fodder character, humiliated and trampled by others. After struggling for thousands of years, he finally gained the power to fight back against the plot. Then he was captured by a System claiming it could help him escape its control for good. He embarked on a journey to change the fates of countless cannon fodder characters and accumulate merit, eventually becoming a Lord God in his own right.
The protagonist's soul transmigrates. Although he was originally male, he becomes a woman in many of the worlds.
The System plays a very minor role and is merely an auxiliary tool.