Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 16 - 16-78. Repatriation

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

“I was created to rule the stars. Instead, I was sealed away and forgotten. Now, it is time for those who sealed me to fear me once more.”__Born of futuristic technology, as well as a part of a god’s powers, Nova was the ultimate life form made by the richest couple in the universe to take over their empire. But due to seeds of betrayal, he was not only sealed away before he could awaken his potential, but everything that was his was also stolen by those thieves.Hundred years later, Nova wakes up when his mother ship gets raided and his pot is extracted to be sold. He awakens with a vengeance, and a mission to reclaim everything that was promised to him.This is his story of conquest, revenge and to tell the world that he is back. And this time, he won’t let anyone else take anything away from him.A hundred years might have passed, but his vengeance still burns bright.__r18 is mainly gore...and MC's tendencies. You have been warned. Harem and Romance will be slow since the MC has other priorities in life.. No Yuri, no NTR. But there will be a lot of catfighting between female characters for MC's attention.

The issue that originally preoccupied Tang Xian’s thoughts was whether, amidst these world-destroying bosses, he should be a hero for just a second or continue to pretend to be a boss. Later, he realized that, in the midst of pretense, he had actually become genuine...

What should I do if I cross to another world and become an NPC?

This idea has been deeply rooted and sprouted in William’s mind!

Therefore, he decided:

I want to be the strongest NPC in history.

Wear the thickest armour and give the most vicious beatings!

Who says an NPC will be killed by players?

Who says an NPC upgrades more slowly than players?

Who says an NPC must explode equipment, I can explode in more ways… Bah humph.

Anyway, it’s impossible for me to die. Just take a look at all you trash players. Your father will stand here and let you chop for an hour without a frown!

- Description from Novelupdates