Ao comes over to Mira's house to study for a make-up test, where she is introduced to Mira's sister, Misa, after which Mira and Ao work part-time at Suzu's bakery, where they are helped out by Suzu's younger sister Megu. Later, Mira and Ao come across fellow club member Mai Inose as she and Suzu partake in her hobby of following maps. Inose draws up a treasure map for Mira, Ao, and Suzu to follow, taking them through some of the school's landmarks.