Midsummer Night's Astronomy (S01E05)

Taketo, Angela, Kasumi, and Nagamine officially form their science club. Fujitake proposes they go to an academic conference showcasing research from high school science clubs. However, when they attend one of the presentations, they're taken aback by the advanced level of the work. At the same time, Mai, who is employed at a hostess club, notices that Taketo seems unusually upset.