Kono Sora ni Hibike
この空に響け · この そら に ひびけ
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Nene, Hajime and Ryo are childhood friends who practice hard every day in the marching band club. However, the number of members is dwindling and the club is in danger of being closed! Onda's love life is torn between the blunt but kind Hajime and the big brother-like Ryo? A love triangle story that captures the frustrations of youth!
Source: AniList
External databases: MADB · AniList
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