Steadily becoming a saint, the immortal officials hired me to tend the horses - Chapter 1 - : Seizing Life Span

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

In China’s modern martial arts society, Wu Xinghe was history’s youngest grandmaster of martial arts. He was invincible. Because of a strange incident, he was reincarnated as Qin Wushuang, a poor aristocratic boy in an entirely different world with its own set of rules. With his strong will and passion, he began his journey to pursue the highest peak of martial arts!

Six months ago, tens of thousands of black phantom towers appeared all over the world, floating above the cities. Chemists, physicists, religious people… all of them could do nothing.

In order to live forever, the monkey left Huaguo Mountain, but strayed into the Hongmeng Farm, and was shocked into a fairyland.

“I don’t accept apprentices here, only tenants who farm the fields!”

“I’m born with strength, and I’m the most suitable for farming!”

So, he started plowing, farming, watering, weeding, killing insects…

Seeing that he was working so hard, Zhou Yu decided to teach him “The Transformation of the Stars” and teach him how to open up the universe!

- Description from novelbuddy