Tomori lived alone with her father until one night, when she was raped by Tanuma, who broke into their home. This incident became the catalyst for drastic changes in Tomori's life. Tanuma didn't just assault her at home—he began appearing at her workplace, violating her there as well. His actions were no mere fleeting occurrence, but became deeply embedded in her daily existence. As the days passed with her constantly being assaulted, both awake and asleep, Tomori's mind and body gradually transformed, giving rise to new, unexpected emotions within her.