Detective Mibuu Kyousuke finds himself lost in a remote village, where he encounters a young woman named Yukino who looks exactly like a girl from his recurring nightmares. While Kyousuke is determined to save her, Yukino is trapped in a horrific cycle of ritualistic abuse and submission orchestrated by the sadistic Mushizo. As Kyousuke attempts to intervene, Yukino struggles with her desire for rescue and the crushing weight of her predestined torment.
Kyousuke is thrust into a harrowing cycle of psychological torture and betrayal involving the sisters Yukino and Ai. After a sadistic antagonist uses drugs and manipulation to force Kyousuke into violating the sisters and pitting them against one another, the family is eventually rescued through Ruriko's intervention. In the aftermath, Kyousuke provides a sanctuary for the traumatized sisters to recover, though their relationship remains deeply complicated by their shared trauma and lingering desires.
While living under the protection of a detective known as Sensei, Yukino falls prey to a sadistic predator who uses a potent anesthetic to break her will and strip away her dignity. As Yukino endures a series of harrowing sexual assaults and physical degradation, the household unknowingly consumes mysterious meat provided by a neighbor, hinting at a gruesome and sinister secret lurking beneath their domestic life.
Kyousuke discovers that his memories have been manipulated and that his assistant, Momoko, has fallen victim to a gruesome conspiracy. After finding Momoko being used as a vessel for a dark master, Kyousuke learns the horrifying truth about the "meat" he has been eating. As Ruriko seizes control of the maiden's role, Kyousuke is left broken and confused, trapped in a cycle of suffering he unknowingly helped create.