 The story takes place on a (fictitious) tropical island called Zenkali.The island seems to be populated by the most eccentric people who came there from all around the world, along with the two indigenous tribes, the Fangoua and the Ginka.The Ginkas used to worship a dolphin god, while the Fangouas worshipped a strange avian, the Mockery Bird, which was hunted to extinction by the former French colonizers.