Satoru Gojo and Suguru Geto have been assigned a mission to escort the Star Plasma Vessel to Master Tengen. When they're ambushed by Toji Fushiguro, a mercenary known as the Sorcerer Killer, will Gojo and Geto survive? And will this be the turning point where Gojo becomes the world's strongest exorcist while Geto embraces a life of ruin and rebellion?