S1·E17 A Rhythmic Passion

Kagari is worried about her classmate Hasegawa Hayate, who has been feeling down lately. But when Kagari asked her about it, Hayate just gave her a vague laugh and brushes it off. However, Drun then steals Musessence from Hayate. As the Princesses rush towards the scene and began fighting, Kagari heard Hayate's voice coming from a Jammerwock.