MTL - Life Simulation: Propose Marriage To Kushina Uzumaki at the Beginning of the Game - Chapter 26

After an unexpected death, a soul finds itself reincarnated into the body of Itsuka Shido, an ordinary teenager in a world filled with powerful spirits, magic, and dangers from other dimensions. With the help of a mysterious system integrated into his body, Shido gains the ability to travel across worlds, summon legendary anime characters, and unlock a wide array of random skills and abilities.Disclaimer: The cover isn't mine, credits to the original artist.

In the kingdom of Veridian, Prince Lucien Damon is known for his charm and charisma. But his kingdom is facing economic ruin, and his father, the king, in an effort to alleviate the economic strain on his kingdom has arranged a marriage between Lucian and Prince Alexander Silver of the neighboring kingdom of Avaloria.In the kingdom of Veridian, Prince Lucien Damon is known for his charm and charisma. But his kingdom is facing economic ruin, and his father, the king, in an effort to alleviate the economic strain on his kingdom has arranged a marriage between Lucian and Prince Alexander Silver of the neighboring kingdom of Avaloria.

For a million worth of contract, she became a surrogate mother.

He was the chief executive of the Empire and she was of lowly birth. With her adoptive father’s business falling into crisis, she agrees to his contract.

She gave birth to twins: the older brother is healthy, while the younger brother didn’t breathe out. Fulfilling the contract with a huge monetary sum as the reward, she disappeared from his eyes.

Six years later – he was still the cold high-profile president, but when she is accidentally imprisoned in the cage of his golden birds he pressured her harder and harder: “Woman, do not think you can escape my hands!”

The old-fashioned man: “Mu Yazhe, you’d better leave her alone, this is the child’s mother!” The man becomes frightened, questioning the reason this child’s features bears such resemblance to…

- Description from Novelupdates

Arnold never thought his gaming skills would land him in a romance novel—as a doomed side character, no less. To survive, he hijacks the heroine's “system,” bending the story to his will. But when he dodges a deadly duel, he catches the eye of the heroine, Lara, his own step sister—and her love is a dangerous game. Arnold must outwit the plot and his step sister who's not afraid to kill for love. In this LitRPG romance gone wrong, survival isn't just about beating the system—it's about escaping the heart of a yandere.