In Japanese mythology, the deity of creation is Izanagi. He, along with his partner Izanami, is credited with forming the Japanese islands and various deities. Their narrative illustrates themes of birth, life, and death, showcasing the cycle of existence. Izanagi's journey into the underworld to retrieve Izanami highlights human emotions and the bittersweet nature of love and loss, cementing his role as a foundational figure in Shinto beliefs.