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? Vicious Kegare Hijirimaru is getting the better of the Twin Stars in their battle to save young Sayo. Will the cavalry arrive in time to save her...and the outside world? Then, the spiritual protector of one of the Twin Stars disappears! Who will go to Tsuchimikado Island to fight the Kegare in their place?