2화: 미도리가 수영장에서 레이나의 몸을 감상한 후 아스카에게 시선을 돌린다

2

While at the pool, Midori gains an admiration for Reina's breasts. While freaking out everyone else, Midori wants to get closer to Reina on that account, Reina eventually accepts, but Midori ends up chasing after Asuka's breasts. (Source: Hibike! Euphonium Wiki)