Ignition by Stacy McWilliams

Goodreads: https://www.goodreads.com/book/show/30323270-ignition

Blurb

Ignition is book two in the Escaping Demons Saga and see's Nathan and Jasmine fight for their lives and to remain together.

Life has never been Easy for Jasmine Johnstone, but failing for Nathan Stevenson brings a whole new level of difficulty. He is sworn to kill her, and fights against his love for her more than ever, but he knows he can't live without her.
As they run from monsters, and each other, can their love survive?
Time begins to run out and with new friends and enemies in the strangest places, will they learn who to trust in time?
With their love stronger than ever, but forces pulling them apart, is love enough to keep them together or will Nathan's parents win and pull them apart?