Douluo: Danheng just want to avoid trouble, Gu Yuena Pursues. - Chapter 19: What Foolish Thing Did He Do?

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

After an accidental electrocution, Zhang Yi realized he could hide his body and become an invisible man. That incident marked a new chapter in his life. The magnificent president of the company, the hot policewoman, and the mischievous daughter of a rich man.“Apologies. I'm a righteous man. I've never abused my power of turning invisible to creep on beautiful girls, because I'd only stand boldly before them to look at them! You can't see me. You can't see me. You can't see me…”

Riding out the apocalypse on a tropical island isn't exactly a vacation. When mana arrives on Earth, Coop finds himself isolated in paradise with only one real option to survive. He needs to claim a civilization shard and level up. Coop maximizes his chances by carefully selecting a class and committing to progression. He’ll need to grind thousands of monsters to compete on the system's leaderboards while upgrading his settlement to represent the factionless.

I have been summoned to a game world, a world of swords and magic. Or at least that's what my friend said.I couldn't care less about that.But apparently, I can create whatever eldritch creatures I want, even the ones from urban legends and creepypastas.So what if the people don't like my babies? Screw them.This is the story of how I accidentally became the last boss of the world.