The Genius System Without Equal - Chapter 1: A System's Sudden Arrival

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.

[Hello everyone, my name is Amamiya Ren. This might seem like an abrupt self-introduction, and honestly, I think so too.][In fact, when I first heard my own name, I had a bad premonition. Fortunately, I didn’t encounter Shido Masayoshi or Akechi Goro.][But when I discovered that the high school I was going to attend was called Teitan High School, I knew I was in trouble.][I thought I had successfully avoided the traitor, but I didn’t expect that I couldn’t escape the god of death either.][Then, as I dug deeper, I found out more information that made my heart race.][I learned about Shinomiya, who is as renowned as the Suzuki family, and Sanzenin, which surpasses both Suzuki and Shinomiya.][But none of that is the main point. It’s Teitan High School alone that made me want to start writing a diary.]Putting down his pen, the boy turned his gaze to the prize pool.Naruto, Bleach, One Piece, Katekyo Hitman Reborn, Negima! Magister Negi Magi, A Certain Magical Index, Persona, Demon Slayer: Kimetsu no Yaiba, Marvel, Genshin Impact, Fate, High School DxD, Lord of the Mysteries…---All rights to the original content belong to their respective creators.Cover Pic: By akeisae, let me know in the comments if you want me to take it down.

Known as the country’s top onmyoji, Yuuma Kisaragi, who lived to the age of 99, awoke to find himself in an unfamiliar forest. A voice echoed in his mind, revealing that he had been reincarnated into another world at the age of 20.“Good morning, Master. Skip the greetings and please defeat the goblin in front of you.”The voice belonged to a skill acquired during reincarnation called “AI,” designed to assist Yuuma in his new life. When the skill, AI, took over the form of a golden-haired fox yokai, the familiar shape of Yuuma’s shikigami, he decided to embark on a new life alongside AI-chan.The onmyoji and AI-chan’s second life began, tackling various challenges and formidable enemies with the strongest spells and shikigami.