He's obsessed with her; she's obsessed with staying out of Hell.

Daruka is hiding from her oppressive father, who wants to force her to join the family business. The family business? Managing Hell.

Asmoday is part lust demon, part elf. Everybody wants a piece of him, but no one takes him seriously. He's mostly okay with that. Until he meets her.

Now, Daruka and Asmoday are about to take on Satan himself, and Asmoday still isn't even sure if this girl likes him.

Welcome to Blackthorn Academy.

Monster's Obsession is book nine in the Blackthorn Academy for Supernaturals shared world, featuring a snarky mermaid heroine, a slightly obsessed demon hero, a deal with the devil, lots of laughs, hot monster hookups, and more.