Heretic Doctor Useless Consort - Chapter 48 - : This Is Definitely True Love!

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.

Heavy rain poured down from above the dark clouds up in the night sky, filling the sky with droplets that splatter on the muddy ground of a narrow road. Thunder and purple lightning roar resounded over the clouds.

This was a night that would forever be remembered.

Bernard was a poor young man with a dream just like any normal human would have, he wanted to survive and make ends meet.

However, he was rendered hopeless when he realized just his certificates and hard work alone, wouldn't be enough to climb up the ladder in the society, he needed connections as well.

Putting his frustrations aside, Bernard decided to work harder, however on his way home something that would forever change his life happened.

Bernard was bitten by a strange Cat in his dark room and entered a strange world...the Symbiote world, with this strange twist of fate, Bernard soon realized the hope to fulfill his dream was rekindled once again.

[Daily Quest: 'Meow Meow five times]

I was possessed by the game (forced).

Takahiro Nao, a 25-year-old burdened by crushing debt and driven solely by his love for his struggling family, meets a tragic end—until a mysterious Goddess of Benevolence offers him a second chance: reincarnated in another world, and his efforts there will provide for his family back on Earth. Awakening in the body of Naoki von Blackmore, a disgraced “Failed Hero,” Nao is thrust into a realm of sword and magic, monsters, and war, tasked with the impossible mission of defeating the Demon King. With newfound powers, a shadowy past, and the weight of two worlds on his shoulders, he must battle not only relentless enemies but fate itself. Blending emotional depth, thrilling action, moments of humor, and a spark of romance, this gripping isekai adventure asks: how far would you go—and what would you sacrifice—for the people you love?