- Catalog Number
- Utsukushi Sekai (ウツクシセカイ)
- Dreamer (Instrumental)
- Utsukushi Sekai (Instrumental) (ウツクシセカイ)
"Dreamer" is the fifth single released by AiRI. The title track was used as opening theme song for the anime TARI TARI. The single reached #21 on the Oricon charts and charted for 10 weeks.