Let You Sail Through the Stars and Become the Emperor of the Galaxy?

Qin Xuan traveled through the parallel world and became an astronaut. During the manned space flight, Qin Xuan had an accident and disappeared mysteriously. Humanity's interstellar voyage has failed! Qin Xuan got a blessing in disguise from this accident and became the only omniscient person in the universe. A few years later, a new galactic overlord-level civilization, the Ziwei Civilization, was born. The Galactic Interstellar Alliance held a summit meeting of civilizations. Qin Xuan, the civilization leader of Ziwei Civilization, was elected as the leader of the Galaxy Star Alliance. A few years later, alien civilization came to Earth. And when it was discovered that the leader of the alien civilization was Qin Xuan, the whole world went crazy... Isn't this astronaut Qin Xuan? Let you travel through the stars and conquer the entire galaxy? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.