Daisuke's friend and his initial object of affection at the start of the manga.

she rejects his confession of love, feeling that he is too "normal" and only able to see him as her friend. After seeing Daisuke's alter ego Dark, she falls in love with the thief and believes that he is the mysterious person she is destined to be with. Innocent, spoiled, and depicted as "girly-girl", Risa is often seen as the opposite of her twin sister Riku, though both show the same stubbornness and tenacity, particularly when it comes to people they care about.