Tập 11: Bạn bè ôn thi rồi đến nhà tắm onsen của gia đình Akio để chuẩn bị cho kế hoạch đám cưới của Haruna

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Kazuto, Narue, Maruo, Yagi and Kanaka are cram studying for the midterm exams. Not before long, Kanaka receives a letter from Haruna, who invites them all to visit Akio's family onsen following the midterm exams. After a warm welcome by Haruna, they all relax in the hot springs, and hilarity ensues as Maruo, who tries to take a peek, realizes that the girls' bath is over the boys' bath. After they all enjoy a nicely cooked dinner, the subject about the possibility of Haruna and Akio getting married is brought up, though an alien starship being wedded with a human seems to be quite a complicated matter. Narue comes up with a plot to have her friends arrange an unofficial marriage. While Kazuto and Narue go outside to retrieve some flowers in the mountains, Bathyscaphe convinces a worried Kanaka that her mother and father were happily married. The next day, Akio is taken by surprise when he sees Haruna in a wedding dress. The wedding takes place, and the groom kisses the bride. Narue wants to become a bride one day, just like her late mother. (Source: Wikipedia)