Goblin King: My Innate Skill Is OP - Chapter 4: Switch

Moulded from rot and souls, Loimos is born as an undead, as a skeleton. An undead linked to the weakest category of its kind, yet, he has something no other of the dead have. He is pure. Follow the journey of Loimos as he fulfils his duty and hunts down the living with extreme prejudice and faces off with the hypocrisy of those who live in death. In a world thriving with life, magic and heroes, he stands as the solution and its end.

Leo is an academic genius who enrolled in one of the top universities in the world for the rich and powerful, but he was born in a common family, which was more than enough of a reason for the other students to mess with him.

In 1177 Jerusalem, Ethan Caldwell awakens as the leper king Baldwin IV, blending modern ingenuity with medieval valor. Introducing hwachas, windmills, and a revolutionary crossbow, he leads a crusade to conquer the Sinai, outwitting Saladin and transforming the Crusader states.

This novel is also known as Master Fu's Mysterious Darling Wife

She is the The Young Miss of Military family Shen, her face is peerless, her temperament is cold, and she is her family’s treasure, but isn’t accepted as one’s child by her mother;

He is The Sole Heir to the top giant Fu Family, his power is unparalleled, indifferent high-born, the captain of the mysterious military force, and the youngest commander-in-chief.

Because of her grandmother’s wishes, she married him at lightning speed. She thought that it was a marriage that she needed, but she didn’t expect to be greeted with his extreme pampering.

- Description from Novelupdates