This World Has Gone Crazy - Chapter 40 part1

An orphaned boy with dreams of making it big through being a blacksmith is given a once in a lifetime chance to succeed when he's taken in by an odd pair - Eggor and Ella. While former teaches him the arts of craft, the latter teaches him the mysticism of cultivation, granting him two paths to tread in this life.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

A game of life and death, a game that hides countless secrets. Winning will give you supreme power, and everything in the game can be brought back to reality. However, everything has a price. Once you die in the game, you will also die in reality. When the boundary between the game and reality becomes illusory, you can win everything or lose everything. Do you dare to play such a dangerous game?

Chu Li was a particle physicist until a freak accident took his life and transmigrated him to a parallel universe – one where he wakes up with inexplicable abilities and finds himself in the running for a job in the imperial palace.