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!
Second childhood, I think.
طفولة ثانية على ما أعتقد
Er verwandelt sich in ein Kind zurück.
Creo que es su segunda infancia.
Creo que es su segunda infancia.
Il retombe en enfance, je dirais ?
Una seconda infanzia, credo.
A segunda infância, eu acho.
Впал в детство, наверное.