Saki Hiiragi, a young wife who lived comfortably as a cherished company president's spouse, suddenly found herself burdened with her husband's enormous debt after he vanished without a trace. Reluctantly, she stepped into an underground brothel to pay off the loans. Under the manager's training sessions, her body involuntarily responded to the lewd stimulation, and her innocence was gradually consumed by temptation. Her clumsy, shy demeanor only intensified the twisted desires of the clients, drawing irresistible attention to her presence.