Girls from the sports club in the middle of their youth try their hand at intercrural sex! These girls, who work hard every day and have little romantic experience, are given the opportunity to meet a big-cocked adult for the first time as part of an extracurricular health and physical education class! They blush and get horny as they are rubbed hard against each other through their uniforms! They then rub their dicks together raw, making them slippery! Then they go in! They have taken the first step towards adulthood!