LA CORDA D'ORO

Every few years, the prestigious Seiso Academy holds a prominent musical competition, and only the very best students at the Academy are allowed to participate. Though all are eligible to apply, only students from the music department actually make it to the competition...until now. (Source: VIZ Media) Note: The chapter count contains 23 extra chapters and 4 one-shots. — Description from AniList community (anilist.co).