In Arboral Year 1294, the world is dominated by nine massive towers known as the Spires, remnants of an ancient civilization. Filled with lost secrets and powerful knowledge, nations struggle to possess them. Luca is a bugler in a mercenary company who wants nothing more than to leave the battlefield behind and become a true musician, a maestro. But marked as one of the enigmatic Branch-hexed, and gifted with the strange ability to see the sound of his instrument, Luca finds himself drawn reluctantly into a war of epic proportions!

Sensou Kyoushitsu has been published in English as The Bugle Call: Song of War by VIZ Media under the Shonen Jump imprint since June 3, 2025. It has also been published in Italian by Panini Comics since June 20, 2024.