| Chu-Bra!! | Choose Bright!! | Minori Chihara, Minako Kotobuki, Sayuri Yahagi and Yoko Hikasa | 2010 |
| Chu-Bra!! | Shy Girls | Minori Chihara, Minako Kotobuki, Sayuri Yahagi and Yoko Hikasa | 2010 |
| Chu-Bra!! | We Know | Minori Chihara, Minako Kotobuki, Sayuri Yahagi and Yoko Hikasa | 2010 |
