My Wife is My Life! - Chapter 296

The Emperor had issued an official decree to appoint a successor to the throne—one who would become the next ruler of the empire.But instead of a direct appointment, the successor would be determined through a formal battle among the princes and princesses.A battle that would drag in many factions, overflow with conspiracies, claim countless lives, and reshape the entire continent... was about to begin.But among the contenders, there was one prince who had no intention of fighting—Nolan.Handsome, lazy, and utterly annoying, Nolan was well-known for the many unflattering titles given to him by those around him.Nolan: “Fighting to become emperor? Please... I just want to relax and enjoy life.”Rather than compete, he convinced his twin sister to fight in his place while he supported her from behind the scenes.Nolan: “My dear sister, I leave my future in your capable hands!”And with that, the prince’s journey toward a life of leisure—relying entirely on his sister—officially began.

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

Reborn as a sword, he lived for hundreds of years, and then he occupied the body of a 15-year-old prince.

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)