My Aloof Husband Can't Stop His Devoted Affection - Chapter 66 - 0: The next one will definitely be more obedient than him.

What happens when a scientist from a futuristic world reincarnates in a World of Magic and Knights? An awesome MC is what happens! A scientist’s goal is to explore the secrets of the universe, and this is exactly what Leylin sets out to do when he is reincarnated. Dark, cold and calculating, he makes use of all his resources as he sets off on his adventures to meet his goal. Face? Who needs that… Hmmm… that guy seems too powerful for me to take on now… I better keep a low profile for now. You want me to help you? Sure… but what benefit can I get out of it? Nothing? Bye. Hmmm… that guy looks like he might cause me problems in the future. Should I let him off for now and let him grow into someone that can threaten me….. Nahhh. *kill*-

Alternative: Leylin is transported from an advanced technological era into a medieval world— except there’s magic. Equipped with “only” his quick wits and an A.I. chip fused to his soul, he sets out to become the most powerful magus the world has ever known. In a land divided into the Light and Dark Magi, the weak can either be cattle or disposable slaves. Only the strong can determine their lives, and only they have the luxury for virtue. Yet strength is only a tool for Leylin, like any other. His goal, in the end, is his own.

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.

Mo Poor never thought that he would suddenly have supernatural abilities until he shot an arrow towards the sun. The absolute hit means that he can be the god on the pitch, the god of the basketball world, the big Luo Jinxian in the game… He can easily become a winner in life, spend his life magnificently, and wealth and power will not be difficult . Just as he was using this to change his destiny and enjoy his life, he met the inmates who claimed to be from the Blue and White Society… When he understood this organization that executes necessary evils in the dark of the world and maintains human security, he found his true identity Goal: I want to become the president of Lanbai. The contents of this book, D-class personnel nouns and inspirations are derived from works on wikidot. And released according to CCBY-SA3.0.

- Description from novelbuddy

The universe gave me another chance after life screwed me over. My second life brought me to a world where people breath fire, walk on water and some people with special eyes that give them bullsh#t powers. Well, I got the gamer ability. And I’m gonna use it to stand at the peak. But it's gonna be a long journey before I reach that summit. SI - MC.