Izanami stands as a primordial goddess in Japanese mythology and mother to the protagonist, Susanoo. Alongside her husband Izanagi, she helped shape the Japanese islands and birthed numerous deities. Her life ends early in the narrative, consumed by severe burns suffered while giving birth to the fire god Kagutsuchi. Susanoo witnesses her spirit ascend to heaven, composed of starlight and physical smoke, an event that deeply scars him. Before her death, Izanami embodies nurturing qualities, teaching the importance of compassion alongside physical strength. She intervenes when Susanoo uses excessive force against the tiger Taro, advocating forgiveness and demonstrating kindness during a riverside scene where she bathes her son while singing. Her physical design features elongated limbs and pale coloration, contrasting with the film's predominantly modernist character art. After her passing, Izanami appears in a vision to the grieving Susanoo near the shore. In this ethereal encounter, she explains her inability to stay in the mortal realm and describes the afterlife as a peaceful, beautiful country beyond the sea. She bestows a protective red amulet upon him before vanishing. This amulet later guides Susanoo’s journey, symbolizing maternal protection as he searches for her. Her legacy extends beyond motivating Susanoo; her absence establishes core mythological structures. Lore states her descent into Yomi, the underworld, and subsequent separation from Izanagi after his failed retrieval attempt, explains the boundary between life and death. Susanoo’s divine siblings, Amaterasu and Tsukuyomi, emerge when Izanagi performs purification rituals after fleeing Yomi, though the film attributes their creation solely to both parents. Izanami’s influence permeates the narrative through themes of loss and the unattainable. Her parting gift remains a tangible reminder for Susanoo, while her teachings about strength and kindness subtly shape his interactions. Susanoo’s climactic battle against the eight-headed serpent Yamata no Orochi stems directly from his longing to honor her memory and ideals.