A summer festival is being held at Hibiki and Kanade's school, where Eren's fear of ghosts come to light. Feeling she is being bullied by Hibiki and Kanade, Eren runs off and encounters Ouji, who helps ease her worries. When Eren goes to search for the others, she encounters the Minor Trio who dress up as monsters and pretend to be Hibiki and Kanade in an attempt to break her trust in them. Bassdrum then uses this opportunity to create a Negatone from a monster costume and steal Hibiki and Kanade's Cure Modules. However, Eren is not fooled by Bassdrum's plan and retrieves the Modules so she and her friends can transform together and fight the Negatone. Though Eren is still afraid of monsters, she overcomes that fear in order to protect Hibiki and Kanade and beat the Negatone. Afterwards, Eren decides to go through the haunted house, saying she has nothing to fear if her friends are by her side.
加音町の夏祭りの日がやってきた。夏祭りで響は奏と一緒にお化け屋敷をすることになり、エレンも誘う。しかし、エレンはお化けが大嫌いだという。響たちはエレンを脅かすつもりは全くなかったのだが...。
