Eikichi learns of a hidden treasure somewhere on one of Okinawa's islands and decides that a special class trip is in order.
...was carried from Shimabara
to Ishigaki Island.
قد نُقِلَ من شيمابارا إلى جزيرةِ إيشيغاكي
que o tesouro foi levado de 
Shimabara para a Ilha Ishigaki.