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...
If I were to give it a name, it'd be, yes...
Benennen würde ich es … Genau …
Si tuviera que darle nombre, sería…
Si tuviera que ponerle nombre, sería…
On devrait lui donner un nom !
Se dovessi dargli un nome, sarebbe...
Se eu tivesse de dar um 
nome para ela, seria de...
И имя ему!