Path of the Berserker - Chapter 32Book 3:

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.

The Synders and Thornes had always been the closest of friends. So when Kyra Thorne and James Synders both lost their parents in an accident, twenty-year-old James swore to protect ten-year-old Kyra as though he were her uncle.Twelve years later, Kyra had not only blossomed into a beautiful woman, but she also could no longer ignore the feelings she’d developed for James at nineteen. After three years of struggling to suppress them, she was finally ready to confess.However, what Kyra didn’t know was that James had long discovered her feelings—and had devised the cruelest way to reject her.But, what happened when James unintentionally crossed a line?One thing was certain: Kyra Thorne always got even, even if it meant destroying them both.

Achieving the power to create virtual worlds.

To expand his world, he needs to devour other worlds.

As such, the world ushered in the most greedy, sly and terrifying existence in the world ——— The Gamer

- Description from Novelupdates

There are always four kinds of people in the traditional Mary Sue world. The Male Lead, the Mary Sue female lead, the woman who never wanted to see the female protagonist live a good life, and the infatuated man willing to destroy heaven and earth to get the female lead.