I Became Symbiotic with Five Parasites

One day, humanity realized that they weren't the only intelligent beings on this planet.

One day, they realized the world had been changed beyond recognition because of them.

One day, the hidden races of this planet began to appear one after another.

One day, humanity rose up to fight back, unaware that monsters among monsters were also appearing one by one, setting their sights on this world.

They stood at the very top of the entire food chain. Their diet was simple, and they were powerful, bizarre, and ever-changing. They descended from places unknown.

"We aren't monsters. We simply follow the law of the jungle: the strong prey on the weak, and only the fittest survive. We are the world's cleaners, clearing away the useless **."

Atop a towering, sky-piercing tower, a young man stood motionless, his eyes glinting with a sinister purple light. Behind him stretched a mountain of corpses and sea of bones, a thousand meters high.

This work is...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Please do not imitate.