Teenage girls in their prime in the athletic department try out inter-stock sex! These girls, who train hard every day but have no experience in love, have their first chance to meet a grown man with a big cock in their extracurricular health and physical education class! Through their uniforms, they are rubbed hard and blush with desire! Then, they rub their respective cocks wet! And then, they go in! They took their first steps into adulthood!