[The moment when a beautiful girl's sexuality blossoms.] A girl who once ran around innocently with her friends is now about to join the ranks of adults. Her small breasts, slender figure and perky hips are proof of the hard work she has cultivated over three years in the track and field club. As she peers intently into the camera, she shows us for the first time what's underneath her uniform. Natsuno Chinami, 18, makes her AV debut.