Upon enrolling at her new school, the eager 15‑year‑old Tsubasa Sonokawa feels she instantly encountered a destined meeting. While in distress, an upperclassman assists her and she falls for him, deeply hopeful; yet because of her tendency to strongly overextend herself, his affection is not returned. As Tsubasa endures the heartbreak, a childhood friend proposes that she serve as the interim manager for the upcoming season of the school"s basketball squad. On her very first day, a stray ball nearly strikes her, but she is rescued by Aki Hidaka, a dedicated team member. Even with her zealous nature, Tsubasa discovers each day becomes daily livelier as a friendship gradually develops between them.