​Ikumi Sunohara, a wife and teacher, finds herself trapped in the dark world of sexual servitude. Relentlessly trying to shield her sister from this depraved life, she succumbs to the vile demands of her blackmailers. However, her efforts to protect her loved ones begin to unravel when her sister, Shizuka, grows suspicious and delves into the sinister truth. In a twist of fate, Shizuka unknowingly becomes entangled with the same men exploiting her sister. As their lives spiral into a maelstrom of lust and betrayal, will they manage to escape the clutches of their tormentors? Witness the unsettling and seductive journey of these sisters in this intoxicating adult anime.​