MTL - Unemployed at the Beginning, I Let the Singer Come Back - Chapter 494 meet by chance

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.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

The worst and strongest villain.I became the narrow-eyed character Arsene Adel.“Revenge.”It sounded good.At least to the original owner of the body.But from my point of view, the goal is not revenge, but survival.I didn’t have the confidence to survive among humans, soㅡI went to the Demon Realm.Where I was headed,A school for demons that is said to be attended by the children of prestigious families in the demon world,……It was a school that terrorized the human world.