SSS Rank Dragon Tamer: Unleashed - Chapter 12: A Name!

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

ps: The 2019 new book “Return to Eighteen Boys” is already fat! !

An Feng, a mediocre clerk, obtained super technology and wealth by chance and coincidence. With the ultimate goal of making (cheat) money by manufacturing next-generation man-made diamonds, he traveled across the ocean and dealt with the American people. A series of stories about pursuing dreams, pursuing freedom and changing lives happened.

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- Description from novelbuddy

Lin Xing has the ability to turn back time.Whenever he faces a life-threatening danger, he would return to the past.He falls to his death, and returns 5 seconds earlier.He is killed by a falling object, and returns 1 minute earlier.He is struck down by a dump truck, and returns 20 minutes earlier.Then one day... he finds himself having returned to one year ago.