Devouring the Heavens, Starting with Ghouls

In this world, eating and being eaten are the norm.

Only the strong have the right to survive. The weak can only passively accept death.

A boy from another world arrived in this cannibalistic realm. After experiencing true terror, he awakened the Biological Evolution System.

Able to evolve his kagune without limit, he devours every enemy and evolves endlessly, roaming through countless worlds.

And so, a ghoul determined to devour countless worlds and become the strongest of all was born.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.