Asuka Tanaka

, 田中あすか

A 17-year-old high school student is in their third year of study. They serve as vice president for the concert band club, while also leading the bass section. Like Kumiko, they play euphonium. Despite their aloof demeanor, this person has managed to push others away on multiple occasions. A distinguishing feature of this individual is their red-rimmed glasses.

Spoilers:

She later comes back in the band. She later rejoins the band. She is abused by her mother, and she is later forced by her to quit the concert band against her will.