Acqua of the Back has taken aim at Touma Kamijou-or more specifically, hisright hand-with all the powers of sainthood and magic available to a powerfulmember of God's Right Seat. As a countermeasure, The Amakusa Style Church hasdispatched Itsuwa as a temporary live in bodyguard. But when she whips out heroverwhelming cooking ability and domestic skills, will Index completely lose herplace in the Kamijou household before the threat passes?!