After making her solo debut with 'IM NAYEON', which charted at #7 on the Billboard 200 - making her the first South Korean soloist to enter the chart's Top 10, NAYEON (TWICE) is back again with 'NA'! Contents of the album include CD, CD envelope, out box, postcard (random 1 of 3), photo book (88 pages), photo card (random 4 of 15), track sticker pack (8ea), hang tag (random 1 of 3), folded poster (random 1 of 3), mini book, postcard set and poster.