Ginjiro is a grieving and determined individual burdened by the loss of his sister, Seiko. Filled with anger and pain, he seeks revenge against the dark primordials responsible for her death.  However, his encounter with Misumi, a remorseful dark primordial who defies her nature, challenges his perspective. Ginjiro's heart begins to embrace the possibility of redemption and the complexity of beings, leading him to form an unexpected alliance with Misumi in their shared mission to eliminate all dark primordials.  Despite his grief, Ginjiro embodies resilience, determination, and the capacity for empathy.