見参！浪速のどんぶり兄弟・大阪で勝負だ

Yoichi is invited by Ajio to a cherry blossom viewing party, bringing his own food. Hearing that Sakai Kazuma will also be there, he decides to join, but Kazuma is not present at the viewing party. However, Yoichi is so impressed by the deliciousness of the food that Nagata has brought for Kazuma that he decides to go to Osaka. In Osaka, Kazuma is taking on a challenge from twin young chefs known as the "Naniwa Donburi Brothers."

味皇から料理持参の花見に招待された陽一は、永田が持って来た一馬の料理の素晴らしさに大阪行きを決意する。大阪では一馬が「浪速のどんぶり兄弟」と呼ばれる双子の少年料理人の挑戦を受けていた。