"Pureness" is the second single released by Japanese actress and singer Aya Ueto. It was released on February 14, 2002, under the Pony Canyon label. The single reached number 4 on the Oricon weekly charts. It served as the CM song for Morinaga "ICE BOX". The track is a J-pop song characterized by its upbeat melody and Ueto's youthful vocals. The B-side track on the single is "Flower".
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