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...
They're not done yet,
لم ننتهِ منها بعد
Sie sind noch nicht fertig,
Aún no las terminamos,
No las hemos terminado,
On n’a pas fini, mais toutes les nuits,
on travaille dessus.
Non l'ho ancora finito.
Ainda não está pronta,
Мы их ещё не закончили,