Rain with Occasional Fortune Telling

Nanami and Sakura's little sister, Chikage, joining the Earth Sciences Club. Chikage wants to join the geology group like her sister, but Nanami wants to learn more about meteorology and says the club is lacking. Mira wants the new girls to have lots of fun experiences so after remembering what they did last year, she suggests holding a barbeque to welcome them to the club. However...