The "Twin Star Exorcists" are fated to produce the child prophesied to end the war with the monstrous Kegare... But can Rokuro and Benio get along for five minutes, let alone save the world?

A horde of vicious Kegare invade Tsuchimikado Island, the home base of the exorcists. Rokuro and the Twelve Guardians fight to repel them, but their enchantments have a time limit and the Kegare just keep on coming!