Violet Flames:

Ember Lavaris is a Fire Caster, a descendant of the God of Fire, which gives her the ability to cast fire magic from her palms. She is one of nine distinct species born from the ten Primordial Gods. A Vampire killed her mother two years ago, and her father is always off on business trips, so her sister is all she has. Born with the tattoo that makes her destined to be a King's Guard, she is summoned away from her life to fulfill her duty. She will now live with other members of the King's Guard and train to be a warrior. Unfortunately, her new trainer Valarian Grey, is a Vampire. She must learn to trust him while she trains to defend her world from Demons and other malevolent creatures. She is caught up in a world of lust, danger, excitement, and love, all while trying to adapt to her new life, and become the warrior she is destined to be