One day, mysterious man kidnaps Aoi and her husband Daichi. At the scene are two men involved with the construction company that Aoi works for - Sagawa and neighbor Machida. Also present is student Teruhisa whom Aoi takes care of. All five individuals are visibly shaken by this unexpected turn of events. Suddenly, an audio announcement declares that everyone must have sex. As a countdown timer begins on a nearby electronic display board, they reluctantly comply under duress. After much inner turmoil, Aoi and Daichi engage in sexual acts right before their eyes while trapped inside a cage. However, due to interference from Sagawa, they cannot leave the room. Meanwhile, Aoi remains alone in the cage... *The contents may vary depending on the distribution method.