In Episode 8, Little Red Riding Hood gets one after her Novel World is corrupted, as she beats the wolf.
In Episode 13, Souffle gets a minor moment of awesome, as after our heroes are recovering from Nyanma's attack on Princess Aura, Souffle asks a seemingly irrelevant question about Bakumaru's Shanghai Cabbage story to those of our heroes who went to Aura's defense...which ends up reminding everyone that they need to return to Bakumaru before it's too late.
In Episode 15, in the corrupted Peter Pan Novel World, the titular Peter Pan has a fear of heights, because the Jyarei Monster who corrupted the world is in disguise as Tinkerbell, and she hypnotized him into having that fear. But Peter is eventually able to get over this fear so he can save Wendy.
Bakumaru finally getting over his fear of cats later in the series to help the team.
The Big Bad, Nyanma, gets one during the Grand Finale when she manages to kill most of the heroes.