Determined to inherit the name "Buncho," Bunko is busy preparing for the name succession ceremony at Osaka Castle, along with Mameda and Harukitei! However, behind the scenes, Mameda's father, Shibaemon Tanuki's friend, the fox spirit Takakura, is plotting to take revenge on humans by planning to blow up Osaka. To protect the entire city of Osaka and the future of Daikokutei, Mameda must muster all her strength! "Shippona" proudly concludes.