Blue Exorcist (2011)

Season 3: Episode 11

Izumo and the rest of the team succeed at thwarting the threat of the Illuminati, with the help of her mother, Tamamo. As the Knights of the True Cross gain control of Inari, the once-continuous turmoil and fighting finally calm down throughout the land. However, Renzo Shima leaves with the Illuminati as a member of their team. Suguro tries to explain that Renzo was a spy for the Illuminati to his elder brothers, Juzo and Kinzo, who've come to help from the Kyoto Branch – only to learn of an even more shocking truth from Juzo.