In 'The Prince of Naniwa: First Act', the Seishun Academy Boys' Tennis Team heads to Osaka for practice matches with Shitenhouji Middle School but ends up goofing off more than playing tennis. A chance encounter with the stranded Higa Middle School team hints at a hidden agenda behind the meeting. Meanwhile, in 'Turbulence: The Young Atobe', Keigo Atobe asserts his dominance at Hyoutei Academy, aiming to lead the tennis club by defeating all its regulars. His arrogance ignites a rivalry with Shishido and Mukahi, who challenge his authority but discover Atobe's skill matches his bravado. 'The Prince of Naniwa: Second Act' sees Tezuka entrusting Kaidou and Momoshiro with forming the team lineup, causing tensions among the players. As they ponder the significance of this task, conflicts arise within the club. Lastly, 'The Trials of Rikkai' follows Kirihara's quest to surpass the 'Big Three' at Rikkai University-Affiliated Middle School after a humbling defeat. Determined to become Japan's top player, he dedicates himself to training hard for a rematch.