While taking their usual bath, the boys discuss how much Kyotaro is like an old man. The next day, when they go to school, they find themselves exhausted by climbing up the stairs... and learn that they're all becoming old men!
Doing whatever you want...
...تفعل ما يحلو لك
Du denkst nur an dich!
sin preocuparte por nada…
sin preocuparte por nada…
à n’en faire qu’à leur tête…
Fai quello che vuoi...
Faz o que vem na mente...
Что тебе взбредёт в голову...