The worst and most brutal torture of all time begins! The ultimate torture that never ends, no matter how much she cries or screams, will leave a woman's pride... There was an investigator heading out on a solo investigation, her name was Aika. In order to solve the disappearance, she searched for the location of Sawaki, a leader of a huge organization, and finally identified the building where the hideout was, and went in alone... However, due to an internal betrayal, Aika's actions were exposed to Sawaki and the rest of the organization... and she fell into a trap that was sneaking up on Aika...!?