The Grand Duke's Son Is A Heretic - Chapter 173

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates

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

“Tycoon Actor in Hollywood” unfolds the story of a failed actor from Earth who finds himself transmigrated into the body of a struggling young man in New York, USA, in a parallel world. Join us as we follow Lucas Knight's journey, step by step, as he ascends to stardom in the heart of Hollywood.---[This is a work of fiction. Any resemblance to actual persons, living or dead, or actual events is purely coincidental. While certain renowned figures may appear in this narrative, their portrayal is fictionalized and does not intend to represent their actual lives or actions.]

What happens when you transmigrate to Beast World? With the system in hand, the world is for your taking! One day, Su Tang, an intern at the hospital, is struck by a system and transmigrates to Beast World. It’s a wondrous world with winged tigers, fire-spitting birds, and enticing man-eating flowers… Everything in this world leaves Su Tang awestruck!

After the Chief of Winged Tiger Tribe saves Su Tang, she learns how backward this place was. Su Tang is determined to help change the world! Under the system’s guidance, she helps to extract salt, build homes, dig traps, make weapons and store food for winter… And perhaps even save the world while she’s at it!