Reincarnating in the Anime World

I believe the protagonist should be incredibly powerful and immortal. This is not a harem story.

Betrayed by a friend and deceived by a woman, will the protagonist thaw his frozen heart, gain peerless power, and return to the real world to take revenge?

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate anything in this story.