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!
 Ojii Santa
 أوجي سانتا
Ojii-chan.
Santa Oji
Santa Oji
C’était Papy ?
Ojii Santa
Ojii Santa
Санта Одзи