Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 6 - 6-28. The Girls' Battles

Lynn traveled to a magical world similar to the European Middle Ages but possessing magical powers.

Here, magic can affect and control elementary particles.

So…a scientific theory is a magic formula!

Wizards called spellcasters who are actually scientists, under the siege of the Holy See, struggled to explore the truth of the world, until the arrival of Lin En, which set off a renaissance of an alien version…

(PS: The 2 million-word work “Hogwarts Bloodline Wizards” has already been completed, and the quality is guaranteed!)

- Description from novelbuddy

To correct the mistakes of his past, a young man is forced to narrow the space between science and witchcraft, as he ventures on a quest to save his world from complete destruction.

“What does it feel like to be a shadow?”People say it's bondage — the absence of light, of freedom. But what is freedom, really?The ability to choose whatever you want?Or... just a beautiful illusion masking the void?Strange question, I know.But you'll understand soon enough.Because my lives?They've always been a little... enlightening.— Kaiser

9-Star Talent Awakened—Primordial Justice.Lex, a 'D' rank hero, struggled while trying to find a job after the sudden disappearance of the gates, dungeons, and towers where monsters used to come out.Dying by his lovely wife's sandal, who turned out to be the protagonist, Lex got reincarnated in a game-like world ruled by the Various Court's, which govern the Monarch's and make rules. In such troubling times, can he become the one who makes the rules, or does he have to bend them?A/N: The main character is mainly a selfish villain, so if you're here for burning town's and pillaging villages, you're in a perfect place. It will take time to develop his character, but he'll get there.