The book you are looking for is titled by K. Elle Morrison . It is the first installment in the Princes of Sin: The Seven Deadly Sins series. About the Book Genre : Dark Urban Fantasy / Paranormal Romance.

: The story features high-stakes action, "spicy" romance, and explores themes of strength and survival amidst a war between angels and demons. Where to Download and Purchase

You can find in EPUB and other formats through several major retailers: Special Edition Blood On My Name - K. Elle Morrison, Author

: Mara summons the ancient demon Vepar to escape her abusive ex-partner. The demon agrees to help her in exchange for her name, effectively erasing her from her ex's memory. However, Mara soon finds herself held captive by Vepar and his twin brother, Zepar, as she becomes central to a supernatural prophecy involving holy brethren and a Prince of Hell.