Rebellio Machina

is a Japanese light novel series written by Misaki Nagi, with illustrations by Reia. The series began publication on February 10, 2019 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Entanglement Knight << Sandalwood >>-Dr. Sandalwood, a genius engineer proud of the Principality of Helweitz, "five siblings" of the vampire army in Europe Become a hero to save from the invasion ... should have been.

The "failed work" that awoke for the first time in ten years, the land issue, Minazuki, is stunned before the unexpected postwar period. Five older sisters and brothers who have made a name for themselves in history as "genocide automata" due to a runaway accident that should not occur. Furthermore, after a sudden peace between the Grand Duke and the Vampire King, the Principality has transformed into the only republic in the world where humans and vampires live equally.

Minazuki accepts a new "everyday" through the encounter with the late doctor's daughter, Kanon, and the vampire princess, Rita.