On that certain day, four years ago, Kaien brought two injured children into his home that only he and his adopted daughter, Yuuki, only used to reside in. They were recovered from the Kiryu massacre, surviving just barely. "This is Kiryu Zero and Umemoto Cilla. Starting today, I'll be taking care of these two. Yuuki, Cilla was taken in by Zero's family and had lived with them for a few years now... they were murdered by vile vampires."
12 parts