Stellar Echo: Heart of the Myst - Chapter 48 - : You’ll regret this.

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

What would happen if someday, someone gave humans the opportunity to have the power of the legends?Total Chaos!That's the answer to that, people started killing, r*ping, extorting and torturing, to become the strongest.In such a world, a nerd like Eric became one of the strongest.With the resolve of a better life for his family, his loved ones, he managed to flip his destiny around, and become the strongest, and built his Empire.He went so far, that he was close to ascending to the Immortal World, that world of dreams.His story looks like one of a fairytale, but a fairytale it's not.Just as he was about to ascend, he was betrayed and killed, by his closest friends, and his half-brother.At the death's door, he learned about his brother's atrocities, but his time had finished.If only he had another chance!If only he could have another shot at life!He would definitely live differently!But could he!?At that moment his soul was transferred into a black space!

“Jiang Yu transmigrates into a novel and becomes a side character in the book.

Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.