Reborn as the Princess' Knight (GL) - Chapter 119 Festival With Vivienne (XIV).

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

Avery Asteria was far from having anyone's dream job. Family circumstances had him drop out of school and flying around the expanse of space looking for treasure among the discarded trash in an old ship his father had been restoring. It was far from glamorous work, but it was all he could do to earn the money he needed.He was not the only one looking for fortune among the stars, though. One day a score that looked too good to be true led to a run in with a band of pirates. With some quick wits and a bit of luck, Avery managed to escape the worst, but he ended up missing out on collecting the valuable salvage he had his sights on.Having lost a large chunk of his gear in his flight from the pirates, Avery seemed to be truly at the end of his rope. However, a twist of fate led him to discovering an experimental vessel that had been lost to the far reaches of space.With this new ship in his possession, his prospects were looking up. It had everything and more than what any spacefarer could want. And Avery was going to use it to become the leader of the greatest band of mercenaries in the galaxy.

Lee Jung-ho the former minister of finance for South Korea, got assassinated and reincarnated into the duke family as a young child named kaidënHe felt the love and care he never felt in his past life, as all he want his just to live a normal average lifeBut things don't go as planned as he starts to draw attention to himself due to his mana type and his weak potentialBut with just a some basic science, one can change the world, at least that happen for kaidënJoin the journey of kaidën as is raise is fallen family to the top, through the fight of money, power and magic, plus the demon in him

He was an addict, a loser, a despicable human being.