同・級・生！！

Azumi has harbored a secret crush on her childhood friend Yūhi since they were kids, but their promise to attend the same high school is thrown into doubt when Yūhi is scouted by a prestigious boys' school's track team. As they navigate the challenges of growing up and the distance between them, Azumi finds herself caught between her feelings for Yūhi and the attention of two other boys: Masaharu, Yūhi's charming rival, and Haruomi, a mysterious transfer student. (Unreviewed summary by Grok 2)