One day, an accident occurs at the work site of Takamori Construction, which is run by Sayaka's husband, Daisuke, and many workers lose their lives. Despite Sayaka's heartbreak over her grief, the ruthless Daisuke blames her dead site supervisor for the accident and does not provide a security deposit. Her vengeful lewdness... Sayaka was kidnapped and confined by those who held a grudge against Daisuke...
