| Circle of Fifth | |
| Type: | Studio album |
| Artist: | Ayana, Mami Kawada, Ayaka Kitazawa, Kotoko, Lia, Ray, Runa Mizutani, Rita, Nagi Yanagi |
| Cover: | Circle of Fifth album cover.jpg |
| Released: | October 24, 2012 |
| Genre: | J-pop |
| Length: | 117:28 |
| Label: | Key Sounds Label |
| Director: | Kumiko Murayama |
| Producer: | Shinji Orito |
Circle of Fifth is a Japanese pop music studio album produced by Shinji Orito featuring nine vocalists. It was released on October 24, 2012 by Key Sounds Label in two discs. The album peaked at No. 81 on the Japanese Oricon weekly albums chart.[1] __TOC__