When I arrived in Okinawa, I did a strategy. If the weather is good, I will choose a day to see the island of Dujiashi. It is very convenient to find a place to buy the ferry ticket. Because it is off-season, I have not made an appointment online. I can buy the ticket and buy the ticket. The other party carefully informed the pier on board the ship how to go. I also gave Zhang a schematic map and took the express boat to Kashiki Island.