The girls go to the beach together, where Suzu gets jealous of Ao being so close to Mira and challenges her to a contest to determine who is her best friend. The next day, Mira goes to a mineral show with club vice-president Mikage Sakurai, who has worries about what kind of goal she should have for the future. Later, the girls meet the newspaper club's Sayuri Ibe and Ayano Usami, who end up helping them decide to do an earth science cafe for the culture festival.