I Only Awakened the Comeback System After Becoming an Immortal Emperor

After transmigrating to the Great Thousand World three million years ago, Bai Yichen attained the cultivation of an Immortal Emperor and became invincible throughout history.

Only then did the frustrating System finally awaken. It was called the Comeback System!

Ding! The Host is invincible in every respect. This System cannot enhance any of the Host's abilities! Please make a comeback against Feng Tian and earn Comeback Points!

**The System wanted him to make a comeback against an ordinary mortal who had been dead for three million years? What use did he have for Comeback Points?

Just as he was about to casually erase the System,

Bai Yichen discovered the Comeback System's one and only function: after accumulating a million Comeback Points, he could locate the one true world. That was... the home of his previous life, Earth!

With no other choice, Bai Yichen used his divine powers to reverse the river of time. With the cultivation of an Immortal Emperor, he returned to his youth to make a comeback against one nobody after another...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.