With his Yin powers unlocked, Rokuro gains the upper hand against Yūto, who in response, releases all the energy of the Twelve Guardians and Basara stored inside his body. Meanwhile, Arima confronts his aide, Mikage, who reveals himself as Abe no Seimei's shikigami. Due to the Ame-no-mihashira's Yang energy being delivered to Benio's unborn self, Mikage explains that with Benio having a twin brother inheriting Yin energy that rivals Rokuro's, Seimei's plans went out of focus...