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!
What a pleasant bath.
يا له من حمّام جميل
Das war ein gutes Bad.
Qué buen baño.
Qué buen baño.
Quel bon bain…
Che bagno piacevole.
Que banho agradável.
Хорошо посидел.