Toyotama-hime 豊玉姫 Luminous Pearl Princess was Ryūjin's daughter. She purportedly was an ancestress of Emperor Jimmu, Japan's legendary first emperor. Toyotama-hime is a goddess in Japanese mythology in the episode of the "Luck of the Sea and the Luck of the Mountain" in the Kojiki as well as Nihon Shoki. Toyotama marries the prince, Luck of the Mountains (aka "Fire-Subside" or Hoori), but returns to the sea when he breaks the vow not to spy on her while she goes through childbirth. The child she gave birth to was Ugayafukiaezu. Ugayafukiaezu no Mikoto (鵜葺草葺不合命) is a Shinto kami, and is in Japanese mythology, the father of Japan's first Emperor, Emperor Jimmu. - Wikipedia. AI video generation.