Guide on How to Fail at Online Dating - Chapter 75 - The three family members were joyous and harmonious

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.

Reincarnated with major advantages selected in haste. The new world is vast and hostile...a world almost infinite in scope. Essentially a Dyson Sphere created by magic and sustained by magic. A World Sphere. Can the MC delve into the mysteries of the sphere?

Kang Min was the only human to make it past the 600th Floor. After clearing the 666th floor in total solitude he faces death. However, for some reason he wakes up 13 years in the future...But what's this?[Constellation Stream] - Players can now stream their hunts and floor clears to viewers and gods who sponsor coins and promise more power and fame.He is sure to take over faster than anyone...after all he was the sole human to clear 666 Floors.The world-ending livestream of the 666th Floor Veteran starts now!!---Alternatives: Streaming of the Disaster-Class Player

Alex used to be a scientist in his previous life, infamous for doing questionable biological research; now he's the prince of a nation and a chosen 'Saint' of the God of Wisdom.Despite being a 'saint,' he's a top-tier schemer and a conspiracy master who considers his goals and ambitions above everyone and everything else in the world.“Power, connections, intelligence, and money... That's all that matters in this world; those who have them are supreme!” - Alex 'The All-Knowing Saint'What will happen if such a villainous person is thrown into this new world as a supposedly benevolent and kind 'saint'? Let's find out...(NO-HAREM, SCHEMER MC, TACTICS, AND STRATEGY!)