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...
What? If it's about the manuscript for 
volume 5, I haven't written it yet.
Was ist? Das Manuskript der Fünf
hab ich noch nicht fertig.
¿Qué? Si es sobre el guion,
todavía no lo tengo.
¿Qué? Si es sobre el manuscrito,
no lo tengo.
Oui ? J’ai pas encore fini
le manuscrit du tome 5.
Che c'è? Se è per il manoscritto
del volume 5, non è ancora pronto.
O quê? Se for sobre o manuscrito do
 volume cinco, eu ainda não escrevi.
Что? Пятый том я ещё даже не начинал.