As Shigeo 'Mob' Kageyama grows and embraces his identity as a powerful psychic, he partners with Reigen Arataka to handle various supernatural tasks like banishing spirits and dispelling urban myths. No longer merely a follower, Mob's immense psychic abilities lend gravity to their adventures. The duo encounters heightened dangers, delving into a realm of darker and more palpable threats, marking a shift towards a more serious tone.