Demon's Playground (War Gods, #1)

Demon's Playground by Arika Legend is a dark romance novel to launch the War God's series, featuring a reclusive ex-military biker who meets a broken soul who moonlight as an assassin. Kai's tinder hookup becomes a heated accidental encounter with her date's murderer. Demon, fresh blood on his hands from his latest kill, takes what's offered only to discover this one night stand has become his obsession.
This story follows the characters as an obsession to possess fights a fear of commitment. While Kai plays the field, Demon is determined no one will ever touch what is his. As their lives lead them into danger, they navigate their unexpected entanglement, struggling to overcome their pasts to find a way to love again.