Tsubasa to Hotaru

A 15-year-old high school girl named Tsubasa Sonokawa develops feelings for an upperclassman who helps her after she faints at a train station due to anemia. Believing their encounter to be fate, she visits him daily, but he rejects her, calling her affection "heavy." Later, Tsubasa takes over her friend Yuri's role as manager of the boys' basketball team, where she meets a boy named Aki. She begins to realize there may be a deeper connection between them.