Synopsis
This story is based on the adult game by Beelzebub. Tsunetaka Kareki, codename Noir Set, works as a private home security officer with twenty years of military experience. Highly trained in technology and intelligence gathering, he observes and logs every tiny detail of the residence he is assigned to. His new assignment comes directly from his father, Takao Kareki: he must protect his father's new lover, a prospective bride. Nothing short of the finest professional care will suffice to keep her safe. But within her home, he sees all.
