In the bustling city of Hirosegawa, Sendai, Miyamoto Dai, a high school senior, finds solace and purpose in Jazz music, pouring his heart into mastering the Saxophone under all circumstances. Determined to ascend to greatness as a Saxophonist, he grapples with the elusive ingredients of success—dedication, skill, belief, surroundings, and chance. Witness Dai's relentless pursuit of his dream as he embarks on a journey fraught with passion and sincerity, poised to conquer the world stage. This compelling narrative, recognized by the esteemed 22nd Annual Tezuka Osamu Cultural Prize, unfolds the captivating tale of Dai's unwavering quest for musical excellence.