What happens when a girl's pussy is fixed with a vibrator equipped with a timer program, gradually increasing vibration time at intervals of one to two minutes? At first, she feels unsatisfied, but as time passes, the stimulation grows stronger and stronger. Five minutes, six minutes... ten minutes... Watch her reactions as she's pushed closer and closer to her limit—absolutely mesmerizing! Koyuki, whose sensual pelvic dancing amplifies eroticism, performs an entirely solo, one-woman erotic video!