Super Theological Seminary: My System Was Created Casually

[Happy person + single female protagonist (not much plot) + system] Du Nan, who died unexpectedly, was sent by the system to the parallel world of the Super Seminary and became the leader of a civilization. How will he lead civilization to the pinnacle of the universe, and can he return to his hometown? A newbie has no writing skills at all. Accept criticism, but please do not criticize. If you are not satisfied, you can move on.