Eiichirou Maruo, determined to pursue a career in professional tennis, faces the challenge of gaining his parents' approval. In a bold move, he stakes his dream on winning the prestigious All-Japan Junior Tennis Tournament. To stand a chance against the nation's top talents, he must swiftly enhance his skills. To aid his rapid improvement, his coach Ryuuhei Aoi proposes a transformative solution – training at the renowned Florida Tennis Academy in the United States. As Eiichirou embarks on this journey abroad for a concentrated two-week program, he delves into the captivating world of international tennis, eager to edge closer to his aspirations of joining the ranks of elite players.