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 are you going to do 
about this, Shuzenji-senpai?
ماذا ستفعل بشأن هذا يا شوزينجي-سينباي؟
Was willst du jetzt machen,
Shuzenji-senpai?
¿Qué vas a hacer ahora, Shuzenji-senpai?
¿Qué vas a hacer ahora, Shuzenji-senpai?
Pourquoi tu nous as fait ça ?
E ora come hai intenzione di rimediare, 
senpai Shuzenji?
O que faremos com isso, Shuzenji-senpai?
Ну и как нам теперь быть, Сюдзэндзи?