Primordial Villain With A Slave Harem - Chapter 25: Boss Room 1

“He is the entertainment king who is in charge of everything. Been single for years, he had zero scandal. One day, a woman and a girl turned his life upside down.

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.

Being in the World of Arknights...Thing's are going to change drastically and...You best be ready for what's to come ahead.

A cultivator with normal aptitude finally found a treasure that could change his life but to his disappointment, he could not directly benefit from it.Author's Note: The MC is not smart and serious. He is goofy most of the time. This is a harem story. Leyvi will have many women. Thank you for reading and supporting me.Warning: My grammar is shit. Proceed with caution.