X-ray Eyes Little Wild Doctor - Chapter 16: Ultimate Tycoon!

The world had started doomsday, and I struggled for a year, before I died under an enchanted beast’s claw. Heaven has given me another chance, back a day before the end happen. Will I be able to change my fate, and that of my loved ones? Now, I will start my journey on becoming the strongest on the planet that the Gods have changed into a game world.

- Description from Novelupdates

Reiji Saeki, who lives in the north eastern countryside town, lost his life in an accident during summer vacation. ……But before he knew it, a mysterious ball of light hovered in front of his eyes in a world of whiteness. That ball of light was a magician from a parallel world, and is looking for a person qualified to inherit the magic they had created to prevent it from being lost. Reiji, who rode on that suggestion, now lives in the parallel world Elgin, with a new body and powerful magical power.

The grand master of Shape-Will Fist, Ning Wufeng, was brought to the Divine Land Continent by a mysterious scroll. In this world, he was an abandoned child and appointed by his family as inferior leader of a small fishing village because he was unable to open up his Spirits Aperture and begin his cultivation.

However, he seemed destined to open up his abandoned with the memories of previous life integrating into his mind. And the scroll guided Ning Wufeng into a vast mysterious hidden world where he was bestowed divine weapons and acquired supreme skills of cultivation.

Deafening thunder indicated the immense changes in the movement of winds and clouds. In a world where people worshiped martial arts, how could the teenage loser be the master of his own destiny? How could he wield his power to control the world, making gods and demons tremble with fear?

- Description from Novelupdates

After his qi center is destroyed, a martial arts instructor of the Blood Demon Cult is assigned to learn and research the martial arts of four captured murim masters. However, when the Cult betrays him and decides to kill him, he fights back and everyone in the Cult dies, including himself.He then mysteriously wakes up in the body of Baek Suryong, a young martial arts instructor in the rural countryside with a disease that will kill him within three years. He realizes that the martial arts he had learned holds the key to healing his new body’s illness, but in order to do that, he needed money. A LOT of money.Baek Suryong thus embarks on a journey to become the Star Instructor of the Azure Dragon Martial Arts Academy, and earn enough money to save his own life! Perhaps he would even manage to educate some kids along the way…