The Sumo club becomes popular after Chizuko Hori, whom Hinomaru saved from a molester, posted a video of their competition online. She asks to become their manager, making Reina jealous, so Kirihito makes her and Reina co-managers. They go to a barbecue buffet challenge. Stamina Jiro, the restaurant owner, tries to overload them with carbohydrates before they can get to the expensive meat, thus increasing his profit. However they all eat massive portions, especially Hinomaru, and Jiro loses a lot of money. He wishes them well in future competitions before banning them from eating at his restaurant again. Hinomaru is concerned Yuma has lost his motivation...