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!
Why don't you come to the bath with us?
ما رأيك أن ترافقنا إلى الحمّام؟
Willst du nicht mal mit baden gehen?
¿Por qué no vienes con nosotros?
¿Por qué no vienes con nosotros?
Tu veux pas tester les bains
avec nous ?
Perché non vieni a fare il bagno con noi?
Por que não vem tomar um banho com a gente?
Не хочешь с нами искупаться?