The Cannon Fodder Turns His Sister Into A Soaring Phoenix - Chapter 500 - Cold-Blooded Old Loli

The whole world mutated. Mysterious resurrections happened in real life. The Tribulation descended.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

This story is set during the end of the Sui Dynasty, a time where multiple powers struggled for supremacy and power.

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