Elite investigator Ichika Mogami expects another routine mission, but a fierce fight ends with her captured and immobilized in rough rope. Her captors begin an aphrodisiac-fueled pleasure-training ordeal that leaves her sobbing, screaming, and climaxing until her eyes lose focus. She keeps resisting, yet every involuntary response makes the rope bite deeper and slowly erodes her reason. Will she be reduced to a body used only for pleasure?