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...
We definitely need to do something 
about that strange fetish of yours.
Du hast echt heftige Fetische, Senpai …
Tenemos que hacer algo
con ese hábito tuyo.
Tenemos que hacer algo
con ese hábito tuyo.
T’as de sacrés penchants sexuels !
Dobbiamo fare qualcosa
per queste tue strane abitudini!
Precisamos fazer alguma coisa 
sobre esse fetiche estranho seu.
Нет мне покоя от твоих пристрастий.