War of the Myth Series by Miranda Grant

Emma lived her whole life believing she was a mere human, but when she’s attacked by a gang hunting creatures of the Myth, her entire existence is called into question. As she is forced to go on the run with a dangerous man, she learns that monsters are real, her twin sister has turned into a mass murderer, and despite her earth upbringing, she’s actually a bonafide descendant – a forbidden child of the gods... moreEmma lived her whole life believing she was a mere human, but when she’s attacked by a gang hunting creatures of the Myth, her entire existence is called into question. As she is forced to go on the run with a dangerous man, she learns that monsters are real, her twin sister has turned into a mass murderer, and despite her earth upbringing, she’s actually a bonafide descendant – a forbidden child of the gods. Rogan is the leader of an Elv’ve’Norc team, a Mythical agency tasked with the protection of the Seven Planes. He’s on a mission to stop a sadistic vampire, bringing him into the path of Emma Sterling – the twin sister of the woman he’s most likely going to kill. And if that wasn’t enough of a romantic dealbreaker, he’ll be ordered to send Emma to stand trial, where she’ll be sentenced to life in the Myth’s highest-security prison simply because of what she is. less

Tormented by scars no one can see, Galvanor believes himself incapable of love. When he wakes chained to a wall, his darkest secrets begin to rise. His tormentor is a demon woman he likens to those that hurt him before and he hates her on sight. But when he gets to know her, he discovers that she's more than just his lifemate; she's his future. There's only one problem: for her to live, he has to die. When Matakyli walked into Galvanor's cell, she hadn't planned on falling in love... moreTormented by scars no one can see, Galvanor believes himself incapable of love. When he wakes chained to a wall, his darkest secrets begin to rise. His tormentor is a demon woman he likens to those that hurt him before and he hates her on sight. But when he gets to know her, he discovers that she's more than just his lifemate; she's his future. There's only one problem: for her to live, he has to die. When Matakyli walked into Galvanor's cell, she hadn't planned on falling in love. Her brothers had captured him with the sole purpose of trading his life for hers - a deal that she was completely on board with. Or had been until he started to visit her in her dreams. Though all of their Intel claims he's only a telepath, it doesn't take long for the demoness to realise that Galvanor has the power to dreamwalk. As her nights dance on the edge of magic, Matakyli is torn between saving his life and saving herself. As her nights dance on the edge of magic, Matakyli is torn between saving his life and saving hers. less