Yuta Okkotsu is an anxious high school student grappling with a grave problem—his childhood friend Rika has become a curse that won't leave him alone. Because Rika's curse isn't ordinary, his plight catches the attention of Satoru Gojo, a teacher at Jujutsu High School, a school where young exorcists learn to combat curses. Gojo convinces Yuta to enroll, but will he learn enough in time to face the curse that haunts him?