What happens when a timer-programmed vibrator is fixed onto a girl's sensitive areas and continuously vibrates, gradually increasing the duration at intervals of one to two minutes? The initial stimulation, seemingly insufficient at first, slowly transforms into an intense, overwhelming threat as time passes. Five minutes, six minutes... ten minutes... Cornered and unable to resist, the girl finally reaches her limit. Tsugumi, whose charm lies in her shaved pussy, descends into desperation, losing all rationality and begging to be fucked. Unable to endure the progressively stronger vibrations and extended durations, what actions will she take?