Itsuki, Nayuta, and Miyako have a hard time dealing with the cold and head down to Okinawa. The next day, they visit a remote island so Itsuki can do some research and Nayuta decides to flail around naked in the water. Miyako is awed by what she's seeing and eventually jumps into the water naked, as well. Two days later, Itsuki is invited by his illustrator to go to Hokkaido, where they try various local cuisines. However, Itsuki finds out that Setsuna had been ignoring a deadline...
Is Okinawa somewhere you go just 
because you feel a little cold?
Fährt man neuerdings nach Okinawa, sobald man
das Gefühl hat, dass es einem zu kalt wird …?
¿Había que visitar Okinawa
solo porque hacía algo de frío?
¿Había que visitar Okinawa
solo porque hacía algo de frío?
Ça se fait, de venir à Okinawa
parce qu’on se les gèle un peu ?
Possibile che siamo venuti fino a Okinawa
solo perché a casa tua faceva un po' freddo?
Okinawa, por acaso, é um lugar que a 
gente vai só por que estamos com frio?
Не знала, что стоит слегка примёрзнуть
и всё — вперёд, на Окинаву…