Azusa Sasaki

As a talented trombonist and a close friend of Kumiko since their junior high days, this dedicated musician joined the prestigious Rikka High School marching band. While she shares a deep bond with her longtime companions, she takes center stage as the primary protagonist in the Rikka-centric spinoff novels. Her journey explores the intricacies of musical life and personal growth within the competitive world of high school band competitions.