"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, under vigorous training they sweat on the track everyday. Before long, her feelings towards Kourin-senpai's changes from admiration to love... Becoming a sparkling light and running through, an adolescent athletic story starts passionately!!