The Coven of the Crow and Shadow: Ghost Opera. The Coven Series, #2

Everly's family is unique. Her father is a demigod of Death and her mother is a lycan, making Everly and her siblings unique hybrids with intense abilities. Eighteen doesn't mean much for an immortal, but it does mean freedom. Everly finally gets to leave her coven's realm and explore the human realm on her own. Determined to prove herself worthy of her family's name, Everly sets off on a simple mission.
Go to the music academy and reap the soul of the phantom that haunts it. It should be simple, but things are far from simple when Everly gets paired with the dark, mysterious, and good looking Sebastian for a performance. Things heat up between them as they rehearse for their roles to perform two songs from a beloved musical that hits closer to home for Sebastian than Ever realizes. What happens when Ever discovers Sebastian is the phantom and a hybrid that should not exist? As their slow burn of desire ignites into burning flames neither can ignore, new challenges come their way.
They must work together to save the other spirits being trapped by Sebastian's wicked half-brother, who is hell bent on revenge.*Can be read as a standalone, however, it's suggested to read all books in order to fully understand the world.*