An Eldritch Legacy: Sin & Sacrilege - Chapter 25: Situation at Hand...

Based on the popular Vocaloid song .

Rin, a young angel (presumed female, but angels don’t have clear genders) falls in love with a young human girl, Miku. However, their love is considered taboo, and so, Rin makes a deal with the devil to be reborn as the human boy, Len, in order to be with Miku. However, their happiness together is short-lived, and even that soon ends in tragedy.

After losing his job, Bai Liu became involved with an unstoppable horror live streaming game full of various monsters and players with killer intent.

Initially, everyone thought Bai Liu was just an ordinary person who strayed into the game.

Later, they realized it was this game that welcomed its god with victory and a laurel crown. It said to Bai Liu, “Welcome home.”

Liam was a nobody, whether it was grades or sports or appearance or social life. Not because he didn't have a brain but because his luck was just that bad. However, everything changed when a mysterious game called 'Evolution Online' was suddenly launched. The world he knew changed upside down!

There was blood, death, and carnage everywhere. While everyone from small companies and big governments scrambled to get a foothold on this mysterious video game, some people's lives turned for the better and some for the worse.

Liam, unfortunately, being the latter, still somehow ended up at the bottom of the barrel. His insignificant life was squished like an insect and his loved ones were destroyed right in front of him. In the end, he was already dead without ever having a single chance to fight back.

But his story did not end there. Liam found himself returned back to the time before everything began!

Watch as the young man who was once a nobody reaches for the pinnacle of strength and power wreaking havoc on the world that destroyed him once! This time everything will be different!

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.

- Description from Novelupdates