A former Olympic athlete's daughter, encouraged by her father's recommendation, switched from sprinting to middle distance running. However, despite her best efforts, she couldn't improve her records, and her father began training her even more meticulously than before... Embarrassed, she tried to resist his advances, but he insisted that it was all for the sake of improving her performance. As their special training sessions progressed, she found herself becoming aroused by the sight of his erect penis looming over hers... Despite being an athlete herself, her body seemed to instinctively clench around him, urging him onward... *Note: Content may vary depending on the recording method used.