Mai, a member of a rising J-pop idol band, sings about love on her dream stage. Fans buy albums, chant her name, and passionately profess their devotion. To sustain their fantasies, the girl must abide by the contract rule of no dating. But after unexpectedly meeting Kei, whom she had known before her debut, Mai falls in love. The agency responds with a lawsuit for breach of contract. Thrust from the stage into the courtroom, Mai and Kei are forced to fight for their love.