BTTH: From Genius to Invincible - Chapter 51 - : Hidden Title (I)

Lin Qing He transmigrated into a novel and became one of its cannon fodders. The novel’s background is non-viable 1960s, a time of want to eat but nothing to eat and want to wear but nothing to wear.

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

On the surface, he was striking and dashing, an object of envy and resentment from all men, but in secrecy, he was the formidable figure that made powerful leaders tremble. A marriage contract had brought him back to the city,In the bustling metropolis, a man fierce and enigmatic like a tiger, watch as he forged his own legend!

When the last prodigy level esper on Earth disappeared, Earth was in deep trouble of becoming another species’ colony. The ordinary Han, with his intelligence and hardworking character, was able to make a fortune after “accidentally” stepping into the world of dark net, later purchasing an esper power crystal that brought him the ultimate power that changed the fate of the universe.

Dark net is a subset of the Deep Web that is not only not indexed by traditional search engines, but that also requires special tools like specific proxy or authentication to gain access. Dark net is not restricted by any law or morals, so the dark net market has everything that is prohibited by the law. Drugs, slaves, firearms, uranium, bioweapons, rare animals, human testing, assassination, and the list goes on. During the year of 2075 on Earth, Han Lang logged into the largest hyperspace dark net market, and our story begins.

- Description from Novelupdates