Ep. 5: Welcome to the Flying Taki!

5

Midori tries to get Hazuki to wear a costume for the station concert. Hazuki objects to all of her ideas, even one involving a Flying Taki. Midori ends up having Hazuki try's to walk up stairs with a Tuka-kun Outfit, but Hazuki fails and falls down the stairs. (Source: Hibike! Euphonium Wiki)