She wants to get stronger! She wants to shine in sports! But the bloomers girl who can't seem to perform well is coached in training. However, the coach is a lewd, sexually harassing coach. While having her stretch he touches her body, he massages her bloomers-covered buttocks under the pretext of a massage, makes her perform fellatio saying it's practice, and forces sex claiming it's special training. Can this sports-girl succeed under such treatment?