Saving the Heartthrob Frenemy - Chapter 1: Lin Lin fighting in school

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.

Fang Shen’s eyes undergo perplexing changes after being hit by thunder. The change helps him acquire inscrutable and powerful life-death eyes which are able to launch many functions like clairvoyance. With the superb and magical eyes, he can dominate the world.

- Description from Novelupdates

Nolan transmigrated into the Marvel universe and became a researcher at Hydra's lab.He awakened the talent of the “Master of Research,” allowing him to perceive and comprehend all truths and knowledge. His body harboured the power of the Spirit of Evolution, capable of absorbing everything to enhance his strength!From the very start, he developed the Super Soldier Serum and that was only the beginning.By studying various extraordinary individuals, he unlocked their abilities and seamlessly integrated them into himself.“I will use science to recreate the gods of Earth and bring Superman into the Marvel universe!”Wolverine's healing factor?“Wolverine, you've already been dissected once. One more time won't hurt!”Super strength? “Hulk, don’t leave!”An iron body? Heat vision? The power that grows by absorbing sunlight? “X-Men, stop right there!”He will make the Ultimate version of Superman!

Everyone dreams of being summoned to a magical world.Everyone… except me.I’m Alan. Thirty-something, white-collar worker, zero hobbies, one annoying best friend named Bob. Bob’s an anime-obsessed otaku whose life goal is to become the hero of an isekai world. I just wanted to go home, take a shower, and sleep.But then Bob opened a portal to another world in his living room.And guess who got sucked in with him?Now Bob’s the Chosen One, blessed by world and received legendary weapons and magic.Me? I’m the guy carrying his bags, dodging fireballs, and wondering if fantasy world have proper sewage system.This is the story of how my best friend became a hero……and how I accidentally became his sidekick.