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!
he does seem to have the 
power to get wishes granted.
يبدو أنّه يمتلك القوّة لتحقيق الأماني
scheint er sich seine eigenen
Wünsche erfüllen zu können.
si parece tener el poder
de conceder sus deseos.
sí parece tener el poder
de conceder sus deseos.
sembra avere la capacità
di esaudire i propri desideri.
parece que ele tem o
poder de realizar desejos.
Кётаро умеет как минимум
 исполнять желания.