Firefly is a Fallen A Fighter Angel, and is the youngest of the Uriel Family. Her SIblings are Nora and Silver. She's an Ex Bounty Hunter, and Currently is a Stellaron Hunters. She's the most Intimidating member in Blade and Silver Wolf's Words, Kafka still finds her Cute :>

She's in a Loving relationship with Caelus, and despite Nora and Silver not like him.......especially Nora.....They try to ignore it so that they can keep the relationship Healthy. Firefly also has her Mech Suit, Sam. Sam can alternate between being his own person, being Firefly in the suit, and being Both Firefly and Sam at the same time.