This Angel Knights series is a spin-off to Crossroads Saga and most of the books telling a story in Lucia's point of view. I've included a synopsis of each book in the series in the reading order and also a short review to each book. It consists of three main books which are The Chosen Knights, The Blessed Knights, The Sacred Knights, and the short story The Angel Knights which is the prequel to the first book.
Vampire Girl by Karpov Kinrade, completed book series in order with a review. The series consists of Vampire Girl, Midnight Star, Silver Flame & Moonlight Prince.