| A-Channel+smile | Smile Houteishiki | Kaori Fukuhara, Aoi Yuuki, Yumi Uchiyama, and Minako Kotobuki | 2012 |
| A-Channel | Humming Girl | Kaori Fukuhara, Aoi Yuuki, Yumi Uchiyama, and Minako Kotobuki | 2011 |
| A-Channel | Harukaze no Kagaku | Kaori Fukuhara, Aoi Yuuki, Yumi Uchiyama, and Minako Kotobuki | 2011 |
| A-Channel: +A-Channel | Humming Girl | Kaori Fukuhara, Aoi Yuuki, Yumi Uchiyama, and Minako Kotobuki | 2011 |
