Yukio Okumura, Rin's younger twin brother and Intermediate Exorcist First Class, is summoned to a high-level inquiry meeting of the True Cross Order to be questioned about Saburota Todo, the mastermind behind the resurrection of the Impure King. Suspicious of the imposing atmosphere, Yukio recalls the words of his late adoptive father, Shiro Fujimoto. Meanwhile, the Exwires are tasked with exorcising "Mayuko of the Toilet." However, Izumo Kamiki holds a certain grudge against Shiemi Moriyama.