Exorcists Rokuro and Benio unleash serious supernatural action while purifying the world of monsters. The Twin Star Exorcists are destined to end the war with the monstrous Kegare...but at what price? The battle against Yuto rages on, but without Benio, Rokuro can't access the power of the Twin Stars. Or can someone replace her...? Then, the tragic reason Yuto became a Kegare is revealed...