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!
Wake up! Open your eyes!
!استيقظ! افتح عينيك
Wach auf! Mach die Augen auf!
¡Despierta! ¡Abre los ojos!
¡Despierta! ¡Abre los ojos!
Debout ! Ouvre les yeux !
Svegliati! Apri gli occhi!
Acorde! Abra os olhos!
Очнись! Открой глаза!