I Woke the Sick and Disabled Prince on Our Wedding Night - Chapter 369 - Lucky Star

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

Michael was suddenly reborn into a another world by a God because of an accidental death. To make up for this fact, the God gave him another life in a fantasy world of swords, magic, and monsters.Unfortunately, it turned out that the world he was reborn into was still stuck in the medieval times. It didn't have electricity, it didn't have proper plumbing, and it didn't have any technology that he was so used to back in his old world.But thanks to the God's blessing and an AI assistant called ChatJK1, he was given the power to MAKE his life comfortable. Slowly, Michael transforms this new world into a place even better than his previous one by taking ideas from the modern world and putting it in this world, with the added bonus of magic.

“The Earth was chosen by the gods, and all humans were sent to another world, participating in a 'Dark Lord and Hero's game'.Billions of humans played the roles of 'Dark Lord' and 'Hero', each needing to choose their initial race at the beginning.Ethan Jackson was matched to the 'Dark Lord' faction and became a Dungeon King.To his surprise, he found that he could see hidden information that others couldn't...[Goblin Dark Lord] Low-level Bloodline, not recommended.[Stone Giant Dark Lord] Mid-level Bloodline, not recommended.[Magical Treant Dark Lord] High-level Bloodline, recommended.[Golden Divine Dragon Dark Lord] Top-level Bloodline, highly recommended!...Heroes coveted Ethan's dungeon, and the treasures within it attracted numerous adventurers.Among them, there were young Lady Knights, the saints of the royal capital, tsundere female magicians, and innocent but naive female priests...Ethan could never have anticipated that.As the game had just begun, the dungeon's Goblin guards caught a Lady Knight and offered her to him as a tribute.”

Qin Chen crossed into Taiyi Holy Land as a sweeper, and at the age of sixteen awakened the system. As long as he signed in at different places, he could get different rewards.

Sign in at the Land of Emperor Ruins and get the world’s No. 1 Chaos Holy Body and the Chaos Emperor Sutra!

Sign in to seal the magic land and get the quasi-emperor soldiers!

Sign in at the Refining Hall and get the God-level Refining Technique!

Sign in at the medicine garden and get the medicine of immortality!

Sign in at the Imperial Palace and get the Emperor-level forbidden magical power ‘Resurrection from the Dead’!

…

Qin Chen thought that he would just sign in silently until the world was invincible.

One day, the relics of the Great Emperor will appear in the Holy Land, all the holy places, families, and ancient dynasties have come, and there will be an unparalleled demon king in the relics, killing countless powerhouses, ruling the world, and wanting to destroy the Holy Land.

In desperation, Qin Chen could only walk out, slapped the Demon King to death, and sighed: “I just want to be a sweeper and sign in silently. Why do you force me to take action?”

- Description from novelbuddy