Demon's Love: Demon Romance (Seven Brides for Seven Demons Book 3)

Jordan’s sister is kidnapped and the only way to save her is to trust a demon.
A demon is bent on claiming Jordan as his own. She never believed in the supernatural, but when he shifts into a wolf and she remembers him from her past, she must forget every rational belief she knows and believe in him, or lose her sister forever.
Salem needs to protect Jordan from an ancient enemy determined to keep them apart.She’s the key to save his soul, but his mate only believes in logic. He must convince her that the paranormal is real.
Trapped in an apartment, Jordan and Salem are forced to work together to defeat their enemy and find an attraction that bewitches them.