Early in the morning, Nanako was bothered by her father's request for money. Her husband had told Nanako to "pay what she can with her salary," so she applied to be a model for an adult video shoot to raise some money. She ended up being forced to have sex with the devilish AV staff who were waiting for her there. Since then, she has been lost in thought more often. Then, one day, on her way home from shopping, she saw the shadow of a man following Nanako...