After the Exchange, I Became the Eternal Supreme!

The eternal supreme king Xuan Chen swept across the heavens and subdued all races, but he was too busy living in an invincible life in the 90,000th century. After a cross-border look, he set his sights on Lin Mo, a social beast on Earth—that mortal who worked overtime every day, was PUAed by his boss, but was still working hard to live. "You protect the world for me, and I'll go to work for you."