My British Empire - Chapter 540: opportunity

A mysterious and strange world, a human civilization lacking power, and a horrible and turbulent world of human life, Luo Kai survived humblely as a prisoner. Pain and suffering honed his will. War and killing promoted his growth. He suddenly looked back. Is already one of the most powerful beings in this world.

- Description from novelbuddy

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

[You have entered the dungeon at Gwachun Station’s 1st Exit.] When former high school student Kang Woojin finds himself returned back to Earth after being forcibly summoned to a foreign planet for 20 years, he soon finds that Earth is not the same, normal place as he once remembered it to be.

In the turbulent era, the world was under the reign of cunning careerists. A young man named Mu Feng grew up in numerous battles and unceasingly made earnest efforts to stand on his own feet.

His father was murdered, and two hundred thousand of his people were slaughtered. Mu Feng accidently obtained the Sacred Book of Asura, and then he embarked on his journey of revenge with fierceness and blood!

Killing and blood proved his love for family and his people!

He was the almighty Asura!

- Description from Novelupdates