Toaru Majutsu no Index: New Testament - Volume 10, Chapter 15: V.S. “The Merciless Scientific Vanguard” Round_07.

Once upon a time in a modern city, a man died and was reincarnated into a body and a new mythical world.

This world holding many secrets, and wonderous things, but he possessed something that was highly regarded in terms of importance and usability: SPEED.

Join Noah on his quest to acquire great power, meet new people; while also discovering the many mysterious features of this new world he'll eventually learn to call his home.

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

Xue Chong is one of the top experts on the Slaughter Board rankings and possesses sharp gaming skills. Feared by all, he is seen as an inviolable and unapproachable person.

However, no one knew that Xue Chong had accepted a cute and adorable female disciple when he first started playing online games. Yet, just as his feelings were gradually growing, Xue Chong discovered that his disciple was unexpectedly a man!

Henceforth, Xue Chong was assailed by a psychological shadow.

Many years later, they met again. The meng disciple from back then had transformed, becoming a top-ranked player on the PK leaderboard and the #1 most attractive and wealthy great God.

Wang Chun: Master, master ~\(≧▽≦)/~ This disciple missed you ~

Xue Chong: Get lost.

- Description from Novelupdates

He went from an ordinary student to a god-level master in manufacturing.
Continuously progressing, processing range from hundreds of meters to tens of atoms, processing precision from microns to nanometers to atoms and molecules, everything was possible.
Wassenaar Accord? The embargo against China? What we have banned are technologies that China doesn’t care much about. Most of the member states have to import technology from China, shouldn’t the member states have a meeting to discuss and bring in China as well?
Forbidden chip sales? Is there a mistake? We barely managed to maintain our low-end market with a large amount of subsidies, it’s already good enough that China didn’t initiate an anti-dumping investigation. President, are you sick?
Hmm, it seems like living cells can be processed precisely as well. Do you need to refine the cancer cells that you are spreading out?

- Description from Novelupdates