"You want to join the track and field club?" Kourin-senpai's words decided the outlook of Fuuko's adolescence. Discovering the joy of running with Takeo and Kiichi, who joined the track and field club together with her, they sweat on the track every day under vigorous training. Before long, her feelings towards Kourin-senpai change from admiration to love... Becoming a sparkling light and running through, an adolescent athletic story starts passionately!! [B-U]