Following my father's advice, who was once an Olympic athlete, I switched from short-distance to middle-distance running. However, my records weren't improving as expected, so my father started more meticulous humiliation training... As I blushed in embarrassment, he would say 'It's for the record...' and begin our special training, having me straddle his erect penis just barely. With the athlete's blood flowing through me, I tightened my vagina to encourage his pistoning...
