Ritsu Sakuragi cannot stand Masa Kanzaki, a classmate at her cram school. No matter how much effort she puts in, she has always been second best in exams compared to him. She resolves to beat him someday, and this fiery passion defines her work ethic at school, as she always puts an unwavering dedication into both athletics and academics.

The only one able to ease Ritsu's heart is her best friend, Yuuna—a blonde-haired beauty known for her kind and gentle nature. One day, Ritsu learns that Yuuna has a secret crush, and circumstances lead the former to believe that the crush is on Kanzaki. This revelation sends Ritsu's heart into turmoil, but the truth is even more world-shattering than she could have ever imagined!

Included one-shots: Uchiki Musume no Hetappi na Koi, Fuyu, Binetsu.