The Defense Club are spending their summer vacation in the Kurotama Bath as usual, but Karls wants to enjoy a proper Japanese summer break! What deal will he forge with Kyotaro to make his dreams of fun come true?
When you do it of your own 
free will, you're camping.
عندما تفعل ذلك بمحضِ إرادتك فأنت تخيّم
Wenn man Spaß daran hat, ist es Camping.
Por tu voluntad, es acampar.
Por tu voluntad, es acampar.
On campe par choix,
Il campeggio si fa di propria volontà.
Quando você faz isso por vontade
 própria, no acampamento.
Если да — то это поход.