Sugao’s teacher is going back to Japan to renew his passport, so Sugao hands him a gift for Ashibe.
As soon as Teacher arrives in Japan, he is met with generous friends of Ashibe. 
But will his usual habit present itself and overstay his welcome?
Oh, how thoughtless of me!
!يا لي من مستهترة
Oh, das tut mir aber leid!
¡Vaya, por supuesto!
¡Claro, no se preocupe!
Oh, come sono stata scortese!
Ah, me desculpe por não ter percebido.