Twin Reincarnation: Epics Of The Worldline - Chapter 248 Runestone of skills

This is the story of Long Yi, who was killed because he took revenge for the girl he loved. Before he dies, a strange lightning carries his soul into a different realm. How will he live, when the first thing he noticed upon arrival is that, the man whose body he possessed is raping the country’s princess?

- Description from Novelupdates

I was the awakened on the path to become the strongest, but instead, I became the final boss of an Eroge.Pushed into the body of Eugene Hall who was but a petty villain that somehow spelled the end of the World, I had to live again in a world of demons and gods.Moreover, the main characters were all regressors who wanted me dead.Now I was stuck as a villain with heroes and villains, demons and gods all coming after my life. And even beyond them were the oncoming outer gods that wanted the world gone.And honestly? I didn't care.My path was the path to the strongest! Nothing else could come in my way!!

The protagonist, Punk, is a cautious, cold-blooded, and ruthless Mage.

His goal is always his top priority, over feelings or morality. When unnecessary, he doesn’t like to act like pigs to eat tigers; there are almost no life and death struggles, sometimes risky but steady progress. No strong enemy everywhere, Instead, Punk is always a strong enemy of others.

And he has a very keen interest in the secrets and teachings of the Netheril civilization.