A Hentai System in the World of Danmachi - Chapter 219 - 218 - Xenos.

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

The overbearing top-notch beauty CEO wife turned out to be the terrifying and formidable War King!!A voice rose in Wu Jie's mind.Ding![Host becomes familiar with the system rules, sparking the first task: Earn a hundred thousand energy points within a week][Task Reward: One hundred thousand bonus points, unlocking the shop, one lottery draw][Failure Punishment: Clear all the host's bank savings]...“Damn it, I'm going all in!”“If I win, I'll get the beauties; if I lose, I'll work my hands to the bone! What's there to be afraid of with such a small task? I'll take it!!”

only led to his death.But fate had other plans.Reincarnated as the son of the strongest being in existence, the Demon King. One might expect him to resist, to rebel against the Demon King and kill him once and for all.But why bother?Being the good guy led to nothing but betrayal and death. This time, he'll live for himself. Women, pleasure, power—he will claim it all, as any true demon would.

They had been together since high school. Together, they faced the cold faces of their parents and the satirical or disdainful eyes of others, started a business and experienced all kinds of ups and downs. When their company was on the right track, Zhishu He was asked to give up his career to stay at home, while Wenxu Jiang gradually changed and began to indulge in merry-making. However, Zhishu chose to forgive him. Zhishu got an incurable disease, while Wenxu Jiang was still indifferent. Zhishu still chose to forgive him. Love had become a kind of habit, which was equal to an incurable disease.

In a peaceful sunny day, Zhishu quietly left Wenxu Jiang and the house in which they had lived for a long time without an advance notice.

Soon he was gone. A man with pure spirit and deep love for Wenxu Jiang disappeared from this world forever…

Sometimes love cannot stand the test of time. Someone will not know how to cherish the love until he loses it…