第 4 集: 由香與夏樹參與一場結合美食與占卜的趣味祭典競賽。
2017年3月15日 播出原創回

4
Yuuko and Natsuki engage in a fierce but playful battle involving culinary, the haunted house, and Asuka the fortune teller, who ends up making them serve as mascots. (Source: Hibike! Euphonium Wiki)