The Story of Vampire Michaela by Kagami Takaya~
*Disclaimer: This light novel is written by Kagami Takaya and illustrated by Yamamoto Yamato. I neither own nor profit from it. Related: Owari no Seraph, Guren Ichinose: Catastrophe at Sixteen,... Link: http://chilly-territory.tumblr.com/post/138291694555/ons-the-story-of-vampire-michaela-novel