The Extra Who Shouldn't Exist - Chapter 79 : Arrogance and brilliance

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Roland was just a normal college student living peacefully in an H-Grade City when he experienced his very first devastating heartbreak.

He found out that his girlfriend of two years was cheating on him with the City Councilor’s son, she even embarrassed him in front of a lot of people.

When Roland was already completely devastated and was already at his wits end, a virtual screen suddenly appeared in front of his eyes.

[Requirements: Experience a devastating heartbreak(Completed)]

[System bound!]

[Congratulations for unlocking the Face-Slapping System!]

Since then, Roland’s life has taken a complete turn.

The future was doomed, the present was gloom, the past was regretful. At this point, the only reason I was still alive was because my heart and brain functioned and then one night after a great fap, I woke up to a totally different reality, one where I was in the past.[System installation complete][Welcome host to the Perverted Sugar Daddy System]A system that would help me fulfil my perverted desires as a sugar daddy. I hadn't planned for this, but I sure as hell was ready to milk it to the fullest.[You’ve been taken back in time]“Ahh, a strong and vibrant body to work with”. A better name for the system should be the 'Perverted Emperor Tyrant Daddy System'.The name might be a stretch, but what I'm trying to say is that this world is so screwed. Everyone better hide their wives, sisters, mothers and even grandmas from.... wait“System can we make them younger and less wrinkled”[yes]“Yes, hide even your grandmas cause I'm going to be doing a lot of screwing and bankrupting.”Did I mention that I love to own what I like.It's not that I'm a bad guy, but I like Facebook and Lamborghini, so how much.....“Na let's leave a bit of Tesla free, Musk knows his stuff”TAGS: Mind control, Gangs, manipulation, corruption, oyakodon.PS: All characters in this book are above 18

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