The Reborn Otaku's Code of Practice for the Apocalypse - Chapter 217

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

“I want to be someone who matters. And I want to know what it feels like to be in love.”Ezra sold his soul to the Storyteller for a chance to live in a world of magic. But Oberyn? - he was cast away from his home, shackled by a destiny he refuses to obey.But destiny isn’t the only force pulling their world apart. A surge of wild magic threatens to unravel everything, and neither can control it. If they want to survive, they’ll have to surrender to something even more dangerous: each other.At first, they’re reluctant allies. Then friends. Then… something neither of them is ready to name.Ezra is plucky, affectionate, and full of heart. Oberyn is proud, aloof, and single-minded in his goals. They couldn’t be more different - until Ezra’s Desire System reveals the one thing Oberyn wants more than anything else.In a world where magic bends to will, control is everything. But when fate ties them together, who will be the first to give in?Genres: Transmigration, System, Magic, Romance, (R-18), boyxboy (bxb)

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

[R18 novel with a lot of sexual content]Artem never expected to take on the role of a villain, let alone transmigrate between harem novels. Bound by a system, his task is clear: steal the heroines from all the protagonists’. From Chinese Cultivation and Korean Gate to Japanese Isekai Fantasy, VRMMORPG, and beyond—no heroine is off-limits, and no protagonist is safe!