Sound! Euphonium

Spring of her first year in high school. Kumiko, who played in the brass band during junior high, visits the high school brass band club with her classmates Hazuki and Sapphire. There she runs into Reina, a former junior high classmate. Hazuki and Sapphire decide to join the club, but Kumiko can't make up her mind. She remembers what happened with Reina at a junior high competition.