The episode serves as a humorous but tension-filled setup for the "Divine Tree Arc," highlighting how Mob’s simple desire for a normal social life is constantly at odds with the supernatural chaos surrounding him.
The third episode of Mob Psycho 100 III , titled , finds Shigeo "Mob" Kageyama in an uncharacteristically high-spirited mood. After a brief but pleasant conversation with his long-time crush, Tsubomi, Mob begins to believe he has finally hit his "popularity phase". A False Sense of Popularity
Seeing Mob’s upbeat (and slightly delusional) mood, Reigen encourages him to lean into it. He suggests Mob buy a new suit to look more impressive as the leader of the cult, a move partially motivated by Reigen's own desire to capitalize on the cult's massive membership. Mob heads to the city with Teru Hanazawa, who helps him pick out a flashy, somewhat out-of-character outfit. The Rise of the False Founder
Massive crowds gather at the "Divine Tree" (the giant broccoli) for a grand unveiling of the cult’s leader.