Only I Know the Ghoul Saved the World Novel Volume 1 was written by Myojin Katou and illustrations by Kasu Komeshiro.

While on her first foray into the Labyrinth, amateur adventurer Alice finds herself surrounded by ferocious beastmen. All seems lost, but she’s saved by a young man named Leon, who claims to be a monster himself. Alice believes there’s more to him than that, however. She thinks Leon might be exactly what this ruined world needs: a hero.