Another Stupid Isekai - Chapter 197

Lin En transmigrated into a magical world that resembled medieval Europe but had the power of magic.Here, magic could affect and control basic particles, which was based on scientific theories that served as magic formulas!The wizards, who were actually scientists, were struggling to explore the truth of the world under the chase and blockade of the church. Lin En’s arrival sparked a renaissance of the alternate world…The white phosphorus fire, known as the Flame of Hell, the liquid nitrogen field of extreme cold, and the resonance frequency that kills without a trace… A few years later, the Holy See gathered all countries to the city, known as the legendary wizard, the pioneer of magic Lynn under the gaze of a group of wizards, wrote down the mass energy equation known as the ladder of God by later generations! Lynn looked around the crowd and said nonchalantly. “Mass and energy are interchangeable, and based on this theory, I have developed a powerful forbidden curse… It’s called — “The Big Nuke!”We will re-examine the world from the perspective of magic, where science is magic, and magic is science!

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

Lane Allen, an A-rank Guide, got injured on an emergency mission suppressing a dungeon break, and perished in his almost-lover’s arms.As the remaining members of his team continued to fight for their lives, in a fancy apartment in a distant part of the city, a young man opened his eyes.“Phew… That hurt like hell…”“It’s a bit of a shame to switch so soon… But I guess it is what it is.”“Anyway, who should I become next?”Actually, Lane Allen was not a Guide, but rather an Esper with a mysterious Plunder ability! It allowed him to possess other people’s bodies, and steal their awakened abilities. Keeping his real body safe, Lane could enjoy life to the fullest, constantly swapping identities, and doing whatever he wanted without ever worrying about the consequences! How great was that?Except…Damien Lennox grabbed Lane’s arm, and pressed him against the wall, his clear green eyes staring down at Lane intently, as if he could see right through him. “There’s no one else whose guidance feels so harsh and chaotic, yet pleasing at the same time.”It seems that Damien was somehow able to recognize Lane even after switching identities, and is unwilling to let him go?