One Piece: Shadow monarch? I'm Just Logistics! - Chapter 337: The Pirate King? I Know Him.

Leon was supposed to disappear.On Earth, he was nobody.In this new world of cultivation, reborn into a body that wasn’t even his own, he was less than that — a forgotten teacher exiled to the quiet heights of Amethyst Summit Division.No glory.No backing.No destiny.Until the Grand Return System awakened.Every resource he gives… returns a thousandfold.Every treasure he parts with… comes back stronger.Every disciple he nurtures… becomes a storm the heavens cannot ignore.While the sect mocks him as a useless master wasting potential, Leon calmly shapes a silver-haired girl born with Divine Ice Bones into something terrifying. A legend in the making. A blade pointed at fate itself.They see obscurity.Heaven sees a silent calamity rising.Leon doesn’t seek fame.He doesn’t chase thrones.But when destiny finally turns its gaze toward him…The teacher who hid in the shadows will begin rewriting the rules of the world.-----

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

In his previous life Bai Lang was a small star. He rejected his boss and stupidly engaged in a relationship which he thought was true love.

“Darling, I love you…” He was the heir to the consortium and she had just divorced. The day she was divorced, she was kidnapped and forced to be the doctor in charge of his case. To add insult to injury, this man would sleepwalk to her bed every two to three days… another headache!