Isle Of Midnight: Vicious Delights (Isle Of Midnight Series, Book1‪)‬

"Mortal Instruments" meets "Hunger Games" 

Trapped on a mystical Island. Forced to play a deadly game. And In this game, the odds are never in their favor...

Seventeen-year-old Jazz Miller has been arrested for a crime she didn't commit and sent to a detention center on the island of Midnight. Soon, Jazz discovers that Midnight is actually a mystical Island with vile creatures, ruthless demons and portals to perilous realms. And the real reason she's there is to participate in a deadly game against the forces of evil. 

In addition to the impossible tasks set before her, Jazz must also confront her feelings for Nate—a gorgeous, insolent, alpha team member. But none of that matters because if Jazz doesn't win the game, Nate and the rest of humanity will face a swift and bloody end…