Yamada's company sent all employees to a training area to exercise their health. Although Hitomi is a woman, she still wants to train with the men. Yamada secretly admires Hitomi, so he always tries his best to win her favor. However, overexerting oneself is not good; he quickly became exhausted and had to go back to his room to rest. Somehow, he accidentally entered Hitomi's room and saw her bra. Unable to resist, he picked it up to masturbate. Hitomi discovered him, but contrary to his expectations, Hitomi allowed him to do that with her...