After thwarting a plot that threatened the world, Shigeo "Mob" Kageyama returns to deal with the more draining parts of his everyday life, beginning with completing his school's anxiety-inducing career questionnaire. At the same time, he keeps helping his mentor Arataka Reigen and the office's newest hire, Katsuya Serizawa, resolve paranormal issues for their clients. As he carries on with these responsibilities, Mob also strives to become more independent in both his esper and human aspects, while attempting to blend in better with those around him. Yet, fresh supernatural and mundane trials challenge Mob’s emotional balance and compel him to face the truths of his surroundings. As he pushes onward along the road to maturity, Mob must work through his emotional turmoil and reevaluate the naivety he has maintained for so long.