Groups
- air union 4
- air-bird 1
- airamatnas 3
- airblaze 2
- airbox 29
- airily steps 53
- airimiash 43
- airmusica 2
- airo 1
- aironiro 3
- airpink 2
- airpocket 3
- airpond 1
- airport 2
- airrip 1
- airu-ya 12
- airy socks 50
- airy socks en 3
- airyu 9
- airyu-chou 1
- aishite hoshiratta 1
- aishiteiru to ittekure 6
- aishiteru. 4
- aisin sketch 12
- aisowarai 1
- aisstew 2
- aisu hatsudenjyo 19
- aisukureyo 16
- aisushika club 1
- aisy 1
- aitai denshi blue 3
- aitoheiwa 1
- aitsu no tatebue 2
- aiu show communication 19
- aiu-angel 1
- aiuea 5
- aiueon 1
- aiviera 2
- aiwa 17
- aiya 1
- aiyamatarei 5
- aiyany 4
- aiyo 2
- aiyu-bu 8
- aizawa seinikuten 4
- aizen 1
- aizen koubou 3
- aizo 1
- aizou roman kikan 3
- aizuan 1