The "Kojiki" recounts that the universe started with "ame-tsuchi", the separation of light and pure elements ("ame", "heaven") from heavy elements ("tsuchi", "earth"). Three kami then appeared: Amenominakanushi, Takamimusuhi no Mikoto, and Kamimusuhi no Mikoto. Other kami followed, including a brother and sister, Izanagi and Izanami. The kami instructed Izanagi and Izanami to create land on earth. To this end, the siblings stirred the briny sea with a jewelled spear, from which Onogoro Island was formed. Izanagi and Izanami then descended to Earth, where the latter gave birth to further kami. One of these was a fire kami, whose birth killed Izanami. Izanagi then descended to the netherworld ("yomi") to retrieve his sister, but there he saw her body putrefying. Embarrassed to be seen in this state, she chased him out of yomi, and he closed its entrance with a boulder.