***a Rin x OC story*** [[sexual content in later chapters just warning you]] Ares "Air" Yagami is the daughter of Lucifer. I know what you're thinking, cool Rin has a sister now right? Wrong. 16 years ago its been discovered by a compact group of exorcists that Lucifer and Satan are two completely different demons after one of their members was overtaken by Lucifer and burst into white flames. Word got around and now everyone knows of Lucifer's existence. Air, born a year after that, now 15 years old has come across Rin Okumura and they are both determined to face and defeat their own fathers for their own reasons. We follow Air through her journey as she meets new people and finds out more about her past and her mother, all the while she is confused about a possible love interest developing from her and Rin's strange and deluded friendship. At a point she must choose; sacrifice her life for the sake of killing Lucifer and having one last happy memory, ... or keep on living life where she can stay with her friends and loved ones but to continue to remain ignorant of the answers to her most important questions.

Aoi Honou Kasei attends True Cross Academy with Rin Okumura, she is the smart, witty, humorous, popular girl that hides her sensitivity and other feelings she thinks are weak. She secretly crushes on Rin. She is unaware until she gets to know him that he is the son of Satan, but what he doesn’t know is that Aoi is the daughter of a Fallen Angel. She spends every day hiding her identity including her 10 foot pair of stark, midnight black wings, and secretly flying at night. What will happen when they discover their identities? Will they're forbidden love survive? Or fizzle out in a blue flame?

Kasumi Tomogatchi was born a demon. She was abandoned at an orphanage and treated like a monster. After a tragic event the head mistress calls for exorcists...