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...
The light is refracting off of hexagonal 
ice crystals to create the rainbow colors.
ينعكس الضوء على البلورات الجليديّة 
.السداسيّة لخلق لون قوس قزح
Das Licht wird von sechseckigen Eiskristallen
gebrochen, was die Regenbogenfarben verursacht.
La luz se refleja en hielo hexagonal
y vemos los siete colores.
La luz se refleja en hielo hexagonal
y vemos los siete colores.
La lumière se réfracte sur des cristaux
de glace hexagonaux, d’où ces couleurs.
Dei cristalli ottagonali di ghiaccio rifrangono la luce
e sembra di vedere un arcobaleno!
A luz é refratada de cristais de gelo
hexagonais para criar as cores do arco-íris.
Шестиугольные кристаллики льда
 разлагают свет на спектр.