 Meanwhile, back at school, You ends up joining the Astro Circle (Tenkuru), which is in desperate need of new members and has been demoted from an official club to a hobby circle.Its members include Asuho Minahoshi, the daughter of a local cafe owner, Kosame Hisakaki, the younger twin sister of student council member Komomo Hisakaki, and club president Haruto Okaizumi, along with third-year student Suwa Setsuna, who rarely comes to club meetings.Setsuna is implied to be investigating the lookout where Mare appears, for unknown reasons.