Rebirth in One Piece as Deputy Captain - Chapter 457

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

To reward Meng Fan for his bravery before his heroic death, the cosmos rewarded him with a ‘system’, sending him back in time to three months ago, alive.

- Description from Novelupdates

Ethan Cole was, by all appearances, an ordinary young man navigating the familiar ups and downs of life—until the night everything changed. That was when he encountered the “Unlimited System.” This mysterious system didn’t merely make Ethan wealthy—it granted him unimaginable riches and set him on a path that was both exhilarating and perilous. The catch? Each mission the system assigns doesn’t just test his wit and resolve; it also unlocks incredible powers, elevating him to new heights of strength and influence. But this isn’t just a tale of lavish spending and indulgence—though those moments certainly add flavor! Ethan’s journey is laced with challenges, each step bringing him closer to reshaping his destiny. From building NovaTech Innovations into a technological marvel to buying a football club and even creating an app poised to revolutionize the food delivery industry, Ethan’s rise is nothing short of meteoric. And yet, the further he climbs, the more he discovers the shadows lurking behind his newfound success. Beneath the surface lies a hidden world—a world ruled by the Great Families, an elite group whose wealth is only part of their power. For these families, strength is the ultimate currency, and disputes are settled not in boardrooms but in combat arenas. Whether through sparring matches or life-and-death duels, they prove their dominance with skill, strategy, and sheer might. Drawn into this dangerous realm of secret societies, high-stakes confrontations, and unrelenting ambition, Ethan must use every ounce of his intelligence, strength, and ingenuity to navigate the intricate web of power that surrounds him. Expect a whirlwind of twists, heart-pounding action, and moments of sheer wonder. From outsmarting ruthless rivals to unraveling the enigmatic traditions of the elite families, Ethan’s journey is as unpredictable as it is thrilling. It’s a story where rules bend, reality tilts, and every turn brings something unexpected.