BBAN-577 A retired investigator returns to hell. A former elite beauty is taken revenge on by her former colleague and falls into the role of a pleasure lesbian slave. Kanna Misaki and Minami Maeda

Having retired from her job as an investigator, Kanna was enjoying a peaceful life at her family home in the countryside, recovering from her battle wounds. However, her peace was suddenly taken away. She was attacked by several assassins, putting her life in danger. Making the most of her newfound physical strength after retirement, she managed to fight back and subdue the assassins, only to discover that the identities hiding beneath their masks were her former comrades. Shaken, Kanna noticed…