Urara Andou's heart is taken by a kind boy who rescues her on a train, but he leaves before she can learn more about him, leaving her with regret and longing. Later, while filling in for a classmate, Urara encounters Jun Misono, a difficult classmate she tries to avoid. To Urara's surprise, the boy who helped her on the train is with Jun.
Determined to find Aiji Okaniwa, the boy she seeks, Urara decides to pursue him, but Jun frustrates her attempts and makes her feel uncertain about her chances of finding love. With Jun as a constant obstacle, Urara realizes that her search for love will not be easy.
