Yatogame and her clubmates have decided to participate in the "Hotter than the Summer Sun Couples Photo Contest." Sasatsu, who's acting as the director, suggests they go to the Port of Nagoya Public Aquarium for a "date." Yatogame and Jin attempt a "date" first, but... Gifu natives have no tolerance for sea life?! And is the Port of Nagoya Public Aquarium really better than Kaiyukan?