Be the Principal in the Original Plane

A top student who devoted himself to the study of time travel accidentally traveled thousands of years ago in order to pursue a goddess... Men in matriarchal clans have no status? It's easy to say, then turn it into a man's world... Primitive society cannot build a time shuttle? What a joke, labor and management want to make electricity... What? The goddess turns out to be an alien orphan? Is the primitive society that I originally wanted to rely on knowledge just an alien breeding ground? Looking at the innocent school beauty, Xia Jie finally froze... Book club number 573501757