Creation: Changing All Humanity

My childhood sweetheart's betrayal led to my unfortunate death. When I opened my eyes again, I saw a sea of ​​stars. God's choice, I became the leader of advanced civilization, which is both lucky and unfortunate. When I return to Earth with the first-level civilization technology, it is just the beginning of my rise. … "System, can I use the four-dimensional jump for free?" "No, get out!" "Okay~" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.