Coming upon the form of the collapsed and wounded Nine-Tails, the unlucky class president finds herself a puppet of one of the most powerful ayakashi in Japan! Meanwhile, Yuuto and another house of demon slayers, the Tsuchimikado, are rallying their troops. Having passed judgement on Himari, claiming that she will prove to be a danger to Yuuto, they take measures to draw out the bloodthirsty, evil beast that dwells within Himari's soul. But they're in for a suprise when...!?