Who Let Him Play Yu-Gi-Oh! - Chapter 12: Advancement

To treat her sick brother, she was forced to marry him in place of her cousin, who was disfigured and paralyzed. At first, their relationship was purely transactional, with neither caring much for the other. But after going through a lot together, they fell in love with each other. He doted on her deeply.She was considered an ordinary person by the world, but it was later discovered that she had multiple identities - a mysterious underground boxing champion, a highly-skilled doctor, and a mysterious and renowned composer... He also realized that their fates had been intertwined long before they met.

In an era of global awakening of supernatural abilities, Lin Tianming awakens his SSS-level talent. He thought he was about to reach the pinnacle of his life, only to overhear the heartfelt thoughts of his school beauty girlfriend who hates him to the core.[Lin Tianming, you didn't expect me to be reborn, did you? In my previous life, you let me down. In this life, I will not be fooled by your sweet words again!]Having a reborn girlfriend who is merely putting on a show is already troublesome enough, but little does he know, there's more than one person he has wronged. At this moment, each of them is on their way to find him!--------------------------Features elements of Lovecraftian horror, with themes of inner demons, corruption, genetic ascension, mechanical ascension, and psionic ascension emerging in the later stages.

Su Yun came to a comprehensive world that was about to collapse due to a mysterious recovery, but he didn’t panic at all.

Because, he can edit the stories of the two-dimensional girls and broadcast them publicly, and gain enough prestige by publicly executing the girls, and then he can…

So…

“Artoria, I am your previous life, King Arthur!” Su Yun, who was in the form of a dumb haired king, looked at Artoria, a foreign student with a bewildered face, and said valiantly.

“The evil spirit, that’s me, that’s you! Tokisaki Kusan!” Su Yun, who was transformed into the elf of time, stood in front of the stunned Tokisaki Kusan, with a seductive smile on his face.

“Balzebu, the power of thunder is my power, and my shape is also the power you should have. Now, try to take out the power that belongs to you from your body! It’s called – Dream One Heart!” After listening to General Thunder’s words, Balzeb subconsciously stretched his right hand to his chest.

Morgan Le Fay, Tamamo Mae, Miyamoto Musashi, Yae Kamiko…

One after another, mortal girls who had no power before, all showed their extraordinary side to the world under Su Yun’s bad taste.

So, people really think that they do have extraordinary power, and therefore, they have really gained extraordinary power.

The world has been completely changed because of this, and the mysterious history that human beings cannot overcome is rewritten!

- Description from novelbuddy

Transmigrating into a poor and mistreated young lady's body, what will the craziest alchemist of the seven realms now do?