Seiichiro, who fell into a bad mood, finally got into a fight with Natsusa. Ibuki, who couldn't stand it, suggested that they go back to Oita, where they both started, in order to make up. Yu and Yasuya are also involved, and the five of them head to Oita. Natsusa, Seiichiro, and Natsusa step into the rugby field of Maisagi High School, which is Ibuki's alma mater. So Ibuki resorts to tough measures! On the other hand, Gakuju and the other members, who heard from Seiichiro about traveling to Oita, also came to Oita...