Kaito Shimizu, once weighed down by self-doubt, transforms himself through painful weight loss and discipline. A mysterious old man gives him an ancient badminton book, sensing a hidden spirit in him, but Kaito rejects destiny and throws it away. On court, he faces a fierce rival using “Dragon Tactics.” With no magic—only grit, training, and will—Kaito fights to prove real strength is earned, not given.
