The Devil King of fast wear was a little sweet ( Machine Translation ) - Chapter 2018 - 2105 counterattacked green tea 25

Travel through Naruto and become the son of an ordinary civilian Chunin.

In this life-like world,

He obtained the golden finger to speed up the practice of ninjutsu,

Let ninjutsu itself produce a magical change from decay.

The knife cuts the jade, and the water bomb breaks Suzuo.

- Description from novelbuddy

In the Province of the Nine Skies, far above the heavens, there exists Nine Galaxies of Astral Rivers made up of countless constellations interwoven together.

Four years ago, the first-ever Armageddon Class Anima appeared on Earth, destroying everything that it touched and threatening the lives of the entire world's population! But along with it came Superhumans that had the blessing of mana. They rose up to fight against the Armageddon, and leading them was the strongest Superhuman, KING.After two days and three nights of nonstop battle, KING gave his life to stop the Armageddon and give the Superhumans a fighting chance against the invading Anima, and everyone in the world remembers his good deeds and sacrifice!...Mark was just an average Superhuman living in City A. His daily routine was skipping classes and hanging out with his only two friends while hunting for Anima in secret whenever he could. But this easy life was not going to last for long as the hidden power he sacrificed a long time ago began to awaken once more![Initializing Superhuman System...][Recognizing Host... Host Recognized.][Parsing Constitution. Host Fully Healed. No Traces Of Residual Damage.]“Hello once again, Mark Vanitas. Has it already been four years?”

The little handsome son-in-law passed through a world as waste material and the husband of a wealthy family. But because of his lacking aptitude, the wealthy family had driven him out. So he worked hard and found a more powerful family’s thighs to hold onto. Soon enough, he became the strongest son-in-law and husband in history.

In this world, it was impossible to practice martial arts. It was futile so he might as well take advantage of his wife’s thighs and maintain a comfortable and leisure lifestyle.

He’ll train his wife to become the strongest and best person in the world.

“Whoever dares to provoke me, let my wife kill you!”

- Description from Novelupdates