Blue Box Vol. 15 — Manga Raw / Buy Official

In this volume, Taiki confronts his technical shortcomings by training with a rival, a gamble that reshapes his approach to badminton. Meanwhile, Chinatsu faces the ultimate test: a match against her former best friend, Yumeka. The game is a masterclass of strategy and emotion, as Chinatsu fights through Yumeka’s suffocating defense with a drive born from pure determination. The narrative strips away the comfort of their history, leaving only the raw, unfiltered desire to win. As the clock ticks down, Chinatsu must decide whether to rely on her signature moves or evolve to overcome her friend’s anticipation. Simultaneously, Taiki achieves a breakthrough in his speed, shattering his previous limitations. Their journeys converge in a stunning display of willpower, proving that in the face of inevitable confrontation, they are willing to lose everything to prove their worth. The tension is palpable, turning each point into a battle of ideals, pride, and the promise of a future they can finally claim as their own.