It's been about four years since her debut! Now grown into an adult, Yura Kano takes on the role of a married woman for the first time! Yura quit her job to marry a co-worker and work freelance, but her husband's boss (Oki), who had been eyeing her for a long time, devises a plan to send her husband on a business trip to the countryside. He puts Yura, who is now alone, to sleep with sleeping pills and rapes her in a hotel. He secretly makes a duplicate key to her house and continues to rape Yura over and over again, as she cannot escape. Yura, who was once plain and innocent, is trained by Oki, whom she hates, and although she feels guilty, she gradually transforms into a sex-loving bitch...