Aa Ii na!

"Aa Ii na!"
Single by W
from the album 2nd W
ReleasedAugust 4, 2004 (JP)
Recorded2004
GenreJ-pop
Length11:31
LabelZetima Records
Songwriter(s)Tsunku
Producer(s)Tsunku
W singles chronology
"Koi no Vacance"
(2004)
"Aa Ii na!"
(2004)
"Robo Kiss"
(2004)

"Aa Ii na!" (あぁ いいな!) is the second single of the J-pop duo, W. It was released on August 4, 2004, under the Zetima label. This was the first single that W released after their graduation from Morning Musume. It is the highest selling single of all of the W singles. This song was used the last ending theme of the Doraemon 1979 anime.