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?
That's right. It's cold.
.صحيح. إنّه بارد
Alles klar. Sie sind echt kalt.
Claro. Está frío.
Claro. Está frío.
C’est vrai que c’est déjà froid…
Giusto, sono freddi!
Tem razão, é gelado.
Ага, он же холодный.