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?
Make yourself useful for once!
!ألا يمكنك أن تكون مفيداً ولو لمرّة؟
Könnten Sie sich bitte auch
nur einmal nützlich machen?
¿No quieres ayudarnos de vez en cuando?
¡¿No puedes arrimar el hombro un poco?!
Rendez-vous utile,
de temps à autre !
Una volta tanto potrebbe rendersi utile?!
Por favor, seja útil pelo menos uma vez!