MTL - Devil King From The Otherworldly Dimension - Chapter 705 Mother everything!

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

- Description from Novelupdates

Ryoma Takeda was once a rising star in the ring, an Interhigh champion, a golden boy with fists of promise. But one bitter loss on his pro debut shattered his confidence. A freak accident soon after stole his leg.His career vanished. His fiancée left him. And all he had left were reruns of that one damn fight… and a hundred different regrets.Then, just as he hits rock bottom, fate does the unthinkable. He wakes up ten years in the past, on the very night of his first professional match.But this time, something’s different.[System Initialized: Vision Grid Active]“Your eyes see the truth beneath motion. Use it well.”Armed with the Vision Grid System, a combat-assist module that turns his visual perception into tactical mastery, Ryoma now has a second chance.To fix his mistakes.To chase the career he lost.To protect the mother he failed.And to prove to the woman who left… that she let go of someone she’ll never replace.But boxing isn't just a sport. It's war of bodies, of minds, of hearts.And Ryoma Takeda is done losing.

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

My reunion with her took place in the worst possible way.