{{CD Infobox
|#^infoboxcolor1^#     = w
|#^infoboxname^#       = Aa Ii na!
|#^infoboxJapanese^#   = あぁ いいな!
|#^infoboxCover^#      = AaIina-r.jpg
|#^infoboxCaption^#    = 
|#^infoboxCover2^#     = 
|#^infoboxCaption2^#   = 
|#^infoboxtype^#       = #^Single^#
|#^infoboxartist^#     = [[W]]
|#^infoboxalbum^#      = [[2nd W]]
|#^infoboxreleased^#   = 18 #^August^# 2004
|#^infoboxgenre^#      = J-Pop
|#^infoboxformat^#     = #^CD^# #^Single^#
|#^infoboxlength^#     = 11:31
|#^infoboxlabel^#      = {{LinkBug|zetima}}
|#^infoboxproducer^#   = [[Tsunku]]
|#^infoboxLast^#       = [[Koi no Vacance]] <small>1#^Ordinalth^# #^Single^# (2004)</small>
|#^infoboxNext^#       = [[Robo Kiss]] <small>3#^Ordinalth^# #^Single^# (2004)</small>
}}
'''Aa Ii na!''' (あぁ いいな!) 2#^Ordinalth^# #^Single^# [[W]].

==#^Tracklist^#==
[[#^File^#:W - Aa Ii na! (MV)|thumb|right|220 px]]
#Aa Ii na!
#Otome no Keitai Denwa no Himitsu (乙女の携帯電話の秘密)
#Aa Ii na! (Instrumental)

==#^FeaturedMembers^#==
*[[Tsuji Nozomi]]
*[[Kago Ai]]

==#^ConcertPerformances^#==
*[[Hello! Project 2004 Summer ~Natsu no Doon!~]]
*[[2004 Natsu First Concert Tour "W Standby! W & Berryz Koubou!"]] <small>(with Berryz Koubou)</small>
*[[Berryz Koubou Live Tour 2005 Shoka Hatsu Tandoku ~Marugoto~]] <small>- [[Tokunaga Chinami]], [[Kumai Yurina]]</small>
*[[W & Berryz Koubou Concert Tour 2005 Natsu ~HIGH SCORE!~]] <small>(with Berryz Koubou)</small>

==#^SingleInformation^#==
#^CreditsLyrics^#, #^CreditsComposition^#: [[Tsunku]]
#Aa Ii na!
#*#^CreditsArrangement^#: [[Suzuki "Daichi" Hideyuki]]
#Otome no Keitai Denwa no Himitsu
#*#^CreditsArrangement^#: [[Hirata Shoichiro]]

==#^OriconChartPositions^#==
{{OriconStart}}
{{OriconWeek|-,5,6,8,11,13,14,7/26398}}
{{OriconWeek|21,27,30,-,-,20,27,32/6157}}
{{OriconWeek|29,-,-,-,-,-,-,43/3064}}
{{OriconFinish}}
'''#^OriconTotal^#:''' 41,581#^OriconTotalPost^#

==#^ExternalLinks^#==
*#^Discography^#: [http://wayback.archive.org/web/20140422000000/http://www.helloproject.com/discography/w/s_002.html Hello! Project (#^archived^#)], [http://www.up-front-works.jp/release/detail/EPCE-5308/ UP-FRONT WORKS], [http://www.tsunku.net/producework.php?Music_ArtistID=21&@DB_ID@=281#01 Tsunku.net]
*#^Wikipedia^#: [[wikipedia:ja:あぁ_いいな!|#^Japanese^#]]
*#^LinkLyrics^#: [http://projecthello.com/w/iina.html Aa Ii na!], [http://projecthello.com/w/keitai.html Otome no Keitai Denwa no Himitsu]
{{W}}


[[en:Aa Ii na!]]
[[ja:あぁ いいな!]]
[[#^Category^#:#^CatGroupSinglePre^#W#^CatGroupSinglePost^#]]
[[#^Category^#:#^CatYearSinglePre^#2004#^CatYearSinglePost^#]]
[[#^Category^#:#^CatMembersLineupPre^#2#^CatMembersLineupPost^#]]