Started with Only One City and Eventually Became an Eternal Emperor

[You will be invincible after rebirth] [The beautiful empress is not enough and she still has many wives] [You must fight for hegemony] [Who wouldn't want to be the emperor of the ages?] Delivery rider Lu Yuan accidentally fell from a building and traveled through time, becoming the so-called "dandy". Unexpectedly, the old Taoist priest's prediction of wearing a yellow robe came true. Light up the technology tree and conquer the heroine... Stupid empress found me ten beauties. In order to live a good life, modern technology must be moved there.