Contract Marriage: The Replacement Groom - Chapter 365: The rule– only one person leaves.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

Ripped from a dead-end life and plunged into a world where danger lurks behind every smile, Xiulan must learn to thrive in a realm ruled by ruthless ambition and deadly secrets. When Li Mei dies in a traffic accident after another soul-crushing retail shift, she awakens in a familiar yet dangerous world—inside her favorite game, . Now inhabiting the body of Lin Xiulan, the scorned second daughter of a noble family, she finds herself thrust into a nest of vipers where her very existence is an offense to those around her. Armed only with her knowledge of the game and the wounds from a lifetime of dealing with entitled customers, Xiulan refuses to play the role of the family’s punching bag. Determined to rise above, she’ll need to master immortal alchemy, tame arcane spirit beasts, perfect her martial arts, and face off against her scheming sisters and stepmother. But in Arinthia, a land where power reigns supreme and the weak are swept aside, Xiulan must do more than just survive and fade into the background. With the knowledge of a devastating future that awaits the realm’s beloved Crown Princess, she’ll need every ounce of her modern wit and growing abilities to prevent a catastrophe that would ruin the entire realm—assuming she can survive her own family long enough to do anything about it. Only by transforming herself into a force of reckoning can Xiulan hope to protect those she comes to care about—and survive the darkness that awaits.

In Ten Heavens Domain, full of respected powerhouses, juvenile Ling Tian accidentally obtained a mysterious iron sword. He refined the Supreme Martial Dao, studied the Divine Spirit Array Laws, fought Ten Thousand proud and arrogant Heavenly Clans, and was undefeated! Seven Feet Sword Tip sweeps away the world, within the Ten Heavens, I am the Supreme God Monarch!

- Description from Novelupdates

Raised by a league of assassins and trained for thirteen years, Shan Yue was seventeen when she took the throne of best assassin, becoming an untouchable legend amongst assassins.

Despite being legendary, she put her faith in the wrong people and was killed by her own league’s betrayal. However, while Shan Yue thought her death was assured in the violent explosion, she was surprised to find herself reincarnating into the body of a useless female student.

Forget how pudgy and dim-witted she was — she seemed to get into fights every day! Her original body’s sister sneered, “Fatso! All you do is eat… and look at how ugly you are! You really embarrass me!”

Fat? Ugly! Shan Yue started a daily training regiment, rapidly slimming down and becoming a ravishing beauty! Her original body’s mother snapped at her, “How did I give birth to a child as stupid as you?! Always last place in school — you embarrass me!

I should have strangled you right after I gave birth to you!” Stupid?

Last place in school? Shan Yue lifted a finger, and the principal of the top school in the capital personally visited, offering a transfer to his school. Elite hackers, doctors, mercenaries, math geniuses…

All of them were now vying for her attention! Though she managed to get the chance to become normal after going through so much, she accidentally become a big shot again, even finding herself a two-faced bigwig for a husband! Shan Yue: I just wanted a quiet life, but my abilities prevent that. Sigh…