The latest release in the private training series crafted by staff from 'Tuning Club'! A woman who feels unsatisfied with her sex life with her boyfriend seeks out extreme training to fulfill her abnormal fantasies. Despite it being her first "training" experience, "Yumia" sincerely submits herself to the process. Her body proves highly sensitive—not only to restraints and vibrator stimulation, but also to anal training, enduring wave after wave of pleasure! Screaming, "Train me thoroughly!" she embodies erotic perfection. Her desires spiral endlessly, driven to the edge where pleasure is so intense she feels like she might pee.