Elf by Rinda Elliott

Alaric Denman is determined not to let himself care for another human, especially not one like Ezra Forsberg. Ezra is a rich playboy without ambition, someone he could never respect. Why he’s intensely attracted to the man is beyond his understanding—but he is. So much so, it’s affecting his job to protect him.
Ezra isn’t sure who’s trying to kill him, but he has a pretty good idea. After growing up in one crime family and being forced to marry into another, his guess is his ex. He hires a bodyguard and gets a sexy elf. Yeah, he can see past the elf’s glamour, despite Alaric’s attempt to hide those elegantly pointed ears. But Alaric irks him with his stoic nature and he can’t resist poking at him.
While they’re busy clashing, a two million dollar price goes out on Ezra’s head, which brings out powerful preternaturals. Someone really wants Ezra dead, so it’s time they work together to figure out who.

Elf is a MM paranormal romance long novella with a reluctant elf, a snippy-mouthed human, and a soulmate passion that takes them both by surprise. It’s the second in the Mystic Guardians series, but can be read as a stand alone.