Risa Hanakago has always believed that falling in love makes the entire world sparkle. While she yearns to experience this herself, it seems pointless given her lack of romantic prospects. However, a chance meeting puts her in the sights of Touga Yuugure, a popular boy at her school. Drawn to one another, Risa and Touga quickly become a couple, though it remains uncertain whether a relationship between an ordinary girl and a well-liked boy can endure.