Akuyaku Reijou ni Nanka Narimasen. Watashi wa『Futsuu』no Koushaku Reijou desu! - Chapter 213.2: Saintess’ inheritance and weapon.

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.

After laying down his life in a final act of sacrifice living in a world plagued by monsters, Zion expected only the embrace of death. Instead, he awakened in an unfamiliar world—reborn as the son of a formidable Duchess, heir to a lineage of wealth and influence. Yet, luxury and privilege were not what fate had in store for him.Marked by the Goddess who saved his soul from death’s grasp, Zion is tasked with a singular, harrowing purpose: to annihilate every God in his new world. These divine beings, revered and feared, now stand as his sworn enemies. But before he can challenge the heavens themselves, he must forge himself into a weapon of unparalleled might—one capable of shattering both mortal and immortal foes alike.To defy the divine is to invite wrath beyond reckoning. But Zion has already died once—what more does he have to fear?There are only a few 18+ Chapters within the first 60 chapters but will increase a lot after that.

On a normal boring day, a message appears, inviting him to a Tutorial.

The elf girl, Aria is an adventurer. Her enchanting, lovely features attracts everyone. Her twin peaks are ripened to the point of exploding. Then, being embraced in between those twin peaks was a little animal… his name is Tama.

He looks like to be a cat at first glance, but Aria and her surrounding companions failed to take notice of single detail. Tama, he’s a human who’d reincarnated, given a second chance at life. His true form, it’s not that of an ordinary cat. Instead, he’s a monster of the strongest class, an extremely young behemoth.