MTL - The Little Merman - Chapter 45

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

The strongest Hero in history, Nakamoto Keisuke.

He was summoned to another world in the spring at the age of fifteen years old, and when he successfully defeated The Demon King, he was already thirty-two years old. He had finished his role in another world and returned to Japan, but the reality that had been waiting for him was, “Middle school graduate with seventeen years of blank period” label. He couldn’t find a decent job and had no choice but to spend his days working part-time.

Before such a Nakamoto, a beautiful girl who self-proclaimed had come to return the favor, appeared. “I’m the reward for Hero who had defeated Demon King”, said Angelica, a girl who came from another world that persistently tempted Nakamoto to make her his wife. Together with a high school girl who looks like Elsa, his beloved girl that he lost in another world, Nakamoto with his cheats skills got caught in a harem life.

Blayn transmigrates into the world of Akame ga Kill and obtains the Mangekyō Sharingan—Kamui! Not just one, but both Kamui!

They called the Vorrakyns Dragon Riders, but their legacy has crumbled into dust. For centuries, no true Dragon has answered their call.Vacuse Vorrakyn was born into a dying legacy: once-mighty, now feared and cast to the Empire’s edge.A runt. A bastard. Yet he served his family with fierce loyalty, only to be betrayed by the father he once swore to obey. Vacuse died a pawn... a sacrifice to the forbidden magic to call a true Dragon.Discarded like worthless trash.Now, he’s back.Reborn at six, memories of betrayal burning sharp and anger raging in his veins. This time, he’s here to claim what was stolen and everything they denied him.Armed with forbidden knowledge of the Dragon Pathway and the secrets to bond with a legendary beast, Vacuse is determined to rebuild the family legacy—on his own terms.