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? With one Twin Star out of commission and the other a grave danger to humanity, who can prevent Basara Sakanashi from crossing the sea to invade the mainland? And what is Subaru's secret plan...?