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...
Actually, this exchange 
feels sort of nostalgic...
.لكنّ هذا التبادل يعيد إلينا الذكريات
Von dem her erinnere ich mich
unweigerlich wieder daran, wie es geht.
De hecho, esto me trae recuerdos.
De hecho, esto me trae recuerdos.
Ces conversations m’avaient manqué.
Oh, questo discorso è quasi nostalgico.
Por isso estou me
sentindo nostálgica.
даже ностальгия нахлынула.