戦奏教室 (Series) favorite_border

Volume 1 Introduction: [Big volume with extra pages!] Tree Calendar Year 1294. Luca is a young bugler who can "see" sound. Though he belongs to a mercenary company, he hates war and dreams of becoming a musician. But one day, a power known as "Branch Possession" awakens within him, and his fate begins to move in ways he never imagined——. The epic military fantasy begins here!!