Masato attempts to shield his sister, Honoka, from the cruelty of a town where they and their companions exist in a purgatory of death. However, Masato's detachment from his gang leaves them vulnerable to a vicious rival group, resulting in the brutal assault and death of their friends. The nightmare peaks when Honoka is captured and violated before Masato's eyes, cementing a cycle of trauma and helplessness from which there is no escape.