あぁ！ (Aa!) was a one-shot unit in Hello! Project that released one single, "First Kiss," in 2003. At the time of its formation, its members were among the youngest in Hello! Project and were considered to be upcoming "aces". In July 2009, it was announced that あぁ！would be reformed with its original members minus Reina Tanaka, and Akari Saho from Hello! Project Egg was added to the line-up.
|2||Play on youtube||FIRST KISS||2,516 listeners|
|3||FIRST KISS(Instrumental)||747 listeners|
|5||Play on youtube||YES-YES-YES||363 listeners|
|7||FIRST KISS (Instrumental)||340 listeners|
|8||FIRST KISS (Brazilian Mix)||291 listeners|
|9||Play on youtube||Yume to Genjitsu||79 listeners|
|10||First Kiss (Don't Fear the Remix)||60 listeners|