Mahouka Koukou no Rettousei - Chapter 1Volume 32 -

People are inevitably troubled all their life by the things they couldn’t have when they were young, but if you were driving a Bentley in your youth, life would be like playing a game... ... ... In this era of information explosion, the struggles of ordinary people are like being placed under the spotlight, turning into monkey shows for entertainment displayed before everyone... However, while some people are watching for fun, even more are looking in a mirror... Gu Heng, who was pulled out of the mire by the system, began to experience the thrill of indulgence.

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

He used to think Death was the end.He was wrong.Death was but another beginning, a new adventure.Reborn into this strange and familiar world, he should have been dead, his soul fading into nothingness, but he found himself in a completely new existence. Now, as a Primordial instead of a human, he must find his place in this wondrous world.

After an accidental death, in order to continue to live, Gu Bai had to choose to go through various wonderful books to complete tasks.