Ashita no Prism

 is a single by Hirano Aya.

CD

 * 1) Ashita no Prism (明日のプリズム)
 * 2) Yorokobi no Uta (ヨロコビの歌)
 * 3) Ashita no Prism (明日のプリズム) (off vocal)
 * 4) Yorokobi no Uta (ヨロコビの歌) (off vocal)