I CHOSE to be a VILLAIN, not a THIRD-RATE EXTRA!! - Chapter 129: You are Wrong

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

(This story take place in different timeline and universe)This is the story about boy named Karan getting recarnatated in the time of Mahabhrata as a Karna. Biggest war at that time.What will happen if he become karna in it?What will happened if as a boon he ask System?What will happen if he get to meet those characters? Is he able to chnage their destiny or it will turn worse?Let's find out what will happen when he born into age of God's. Do he able to achieve what he wanted to or something else's.What if this world is as not as simple as he thought, Let's find out.

On his usual way to home Mikado Tsuchio fell into a hole that suddenly opened on the ground. Just like that, Tsuchio falls in a different world, he lands on a Grappler Wyvern and manages to tame it.

Tsuchio decides just like that to live in the other world, the reason for his quick decision: he wants to make a monster girl harem.