Haruomi, Zilch, and Murohime have stormed Goetia’s headquarters to rescue Haruomi’s father. Within Goetia’s walls, they find signs of an internal power struggle. Who is Beelzebub, and why is the Ring of Solomon ineffective against her? As the mysteries surrounding the “Branches” grow, Haruomi discovers that the bonds between Zilch, Murohime, and himself run far deeper than he realized!