Shin High School DxD - Volume 1 Chapter 5

For five years, Kian tried to beat End Realms: Arcadia — a brutal fantasy game no one ever cleared.He knew every quest, every secret, every ending.And yet, after countless failures, he died… with only one regret.Then he woke up — not as a hero, but as Luca Valentine, a useless extra doomed to die in Chapter 3.Now, on his 1,432nd try, he can’t afford to die.But Luca knows the world inside out.He thought he knew the story. But the story may know him better.

With clairvoyant eyes, the King of the Night, Ye Tian, secretly entered the bustling city!!!

He approached her and announced domineeringly, “Ten million, you're mine!” Little did he know that she would smash his head and flee in panic! Five years later, for the sake of her young son, she endured humiliation and became his wife, always on guard around him, “Get out, what are you doing coming in?” His handsome face darkened, “Woman, you couldn't have forgotten that we are husband and wife, could you?”

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