Reborn Aristocrat: Oppressing - Chapter 17

Once upon a time, there was an office worker who was dragged by his boss to take a hot spring bath. While he was soaking…

This is probably very serious. He came to a Beast world and was licked out of his sleep by a golden lion. The lion accompanied him. Only then did he understood this world… when he came to the lion’s tribe, he found that this was really not an experimental base…

- Description from Novelupdates

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

Zhang Yang, the office drone, spent his days slacking off with the campus beauty and his nights watching his sister-in-law practice leg lifts. His girlfriend Xiao Man watched him every day, falling deep in thought... Until one day, while straddling Zhang Yang, she unleashed a soul-searching interrogation, “Why did the dean bow to you? Why did the richest man gift you a villa? Why did the tattoo-covered big brother kneel before you, begging you to take his wife?”

Crossing to One Piece world, he became Roger’s younger brother.