According to the game content of the legend of zelda, there is a hidden nameless island in the lower right of Mermaid Island in the Northwest Sea. The captain will ask him to draw a map. This island is a big whale. First, he will hit the stone statue in the middle to get a hint, and then follow ぉしぉひれめ (. After hitting the golden frog in each sea area, write down the symbol with the drawing board given by the frog elder and enter the symbol, and you can move to the area instantly.