Firebrand - Chapter 676: Friendly Enemies

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.

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

They love gold, and they love silver. Even more so, they love gems that dazzle, like stars across the skies.
Firearms, jewelleries, and precious metals; A collector’s world will not be complete without antiques.
Storage auctions, old goods trade, re-estate sales and gold-digging. But the truth is, if one wants to make money, then the supreme way is through searching for the legendary treasures.
Holding the fort, there’s an ocelot, a wolf, and an Andes condor. At the side, there’s a loyal hound, an irascible ape, and an African honey badger. Who said that you can only rely on humans when treasure hunting?!

- Description from Novelupdates

Over ten years ago, a Bitcoin was priced at $0.008. Today, it is priced at nearly $100,000!It is a fantasy we've all played in our heads. What if we could go back with all the knowledge we have now and invest in some Bitcoins, perhaps in many Bitcoins?Well this is your chance to live that fantasy through Darren Steele, our MC who suffers a soul shattering betrayal in the hands of his girlfriend and her millionaire father.After a sudden death, he regresses ten years to the past with all his knowledge retained and with the Investor System to guide him.[Ding!][Weekly Quest: Make your first investment!]What! Darren can invest in Bitcoin?!Huh?! The price of one Bitcoin is only $0.08!Since he knows when Bitcoin is going to rise and when it will crash, does that mean he can avoid loss and only make PROFITS?!Indeed! With the Investor System, Darren Steele is going to build his way up the business world as a young investor. Bitcoin will make him a billionaire and he will defeat all his rivals and take down the companies of everyone who once treated him like trash!