Born as the daughter of a lawyer, Kanako lived happily with her husband. However, one day her father was murdered by the Kanzaki syndicate, and Kanako herself was kidnapped and imprisoned. She was then forced into training as a slave to entertain clients at an underground casino. In a desperate attempt to rescue her, her husband infiltrated the Kanzaki group's nightclub, only to face trials far more brutal than he could have imagined.