A female college student athlete who placed in the top eight in the middle distance track and field in high school makes her AV debut! Her body, trained through rigorous training running 20 kilometers every day, is not only toned and beautiful, but also has an exceptionally tight vagina! This long-distance runner, who was also curious about sex, experiences her first orgasm in life. Also included is a nude training video of her running with sweat on her white skin and her beautiful E-cup breasts shaking.