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!
It sounds like Ryoma-kun will 
take care of you forever.
يبدو وكأنّ ريوما-كن سيعتني بك للأبد
Parece que Ryoma-kun
te cuidará por siempre.
Parece que Ryoma-kun
te cuidará siempre.
Sembra che Ryoma-kun
si prenderà cura di te per sempre.
Parece que o Ryoma-kun
cuidará de você para sempre.
Похоже, Рёма станет твоей
пожизненной нянькой.