At 16, Yuta Okkotsu is a somewhat peculiar boy. The teenager is haunted by a curse, an extremely dangerous spirit that does not hesitate to attack anyone who would harm his host! And the reason is... the creature in question is none other than the ghost of his childhood friend, Rika, who died under horrible circumstances.

Under these circumstances, it is difficult for the high school student to lead a normal life! After yet another accident caused at his school, Yuta is taken in by a certain Satoru Gojo, a teacher at Tokyo Jujutsu High, who decides to teach him how to control cursed energy...