Grim (Reaper's Redemption) (Volume 1)

The text said one thing: COME ALONE. Ayla doesn’t believe in monsters. There are only bad people with bad intentions. But she does believe in helping someone in need. So when a text from a long lost friend flickers across her cell phone, asking to meet at the abandoned Gothic cathedral downtown, she can’t resist answering the call. Except her friend isn’t there when she arrives. Instead there’s a tattooed psychopath bent on making her his next ritualistically murdered victim. That's when Ayla discovers that not only is she surrounded by monsters, but she is actually one of them.