Mao is a member of a famous university's track and field team, and is devoted to training for short distance running. Under the pretense of being a free monitor for an esthetic salon, she repeatedly feels good with oil and low-frequency massages and the stimulation of a vibrator... Her body gradually heats up, and although she is shy, she accepts the dick in front of her and allows it to be inserted into her pussy. The physically proud track and field girl's sexual desire explodes as she is pounded hard and climaxes over and over again!