The summer heat is on!
Koizumi-san looks at the trio loudly suffering from the heat with disdain while she continues on her ramen pilgrimage. 
Yuu wills herself to follow her, and Koizumi-san declares that she will be having "hiyashi" ramen.
What exactly is this "hiyashi" ramen?
Established summer tradition campaign!
."حملة "تقليد صيفيّ معمول به
Die traditionelle
Sommerkampagne.
Campaña tradicional de verano.
Campaña tradicional de verano.
Promotion habituelle de l’été :
La campagna estiva annuale.
Campanha de Verão Tradicional!
Летняя кампания по продвижению традиций.