MTL - Martial King’s Retired Life - Chapter 3 . There are six doors with people in the center.

I was a good looking prince when I was reborn, and because I could do indecent things as much as I like, I decided to make a harem while traveling with a beautiful female elf~

“Why? Just why?”“Why did I became this guy?” That was the first thing I said when I see myself on the mirrors reflection.Lucien Drelmont.A bottom-tier instructor at Noctis Ardentis Academy. A joke of a character. A corrupt, talentless noble despised by both students and faculty.He was one of the early game villain, that was destined to die, a stepping stone for the protagonist, a scapegoat for the Academy, no matter what way the game is played his death was destined.And now I need to survive as him, in this hellish academy._____________________[No Harem][No Romance][No NTR&Yuri]

This is a reincarnation/isekai story, about Matt (later TreeTree), an overpowered tree in a fantasy world that serves as the battlefield for an ongoing conflict between demons and the heroes summoned to oppose them.At first a bystander, over a long period of time, TreeTree will learn all sorts of skills, gain levels, and in doing so, build up a forest, train young subordinates, protect a village, and more.

The novel is about an author who was reincarnated into his novel.This author thought that he would become a hero, like he always wished, but no, his fate was to become a Villain.His fate was to fight against humanity and against the supreme beings who were planning to invade the world.