After the events of the Yasohachi Bridge, Satoru's students are given a special mission: find the mole that allowed the plagues to enter the school in order to take six of Sukuna's fingers! The target is none other than Kokichi Muta, the real Mechamaru and one of Kyoto's exorcists...
The teenager has indeed made a pact with Mahito and Suguru, who have promised to offer him a new body in exchange for information… except that he must also manage to beat them to join his friends! Does he have any chance against such opponents?
