Cocoon (繭, Cocoon) is the 15th (16th overall) studio album by Chara, which was released on October 31, 2012.

[2] Cocoon was released in two versions: a limited edition CD+DVD version[3] as well as a regular CD Only version.

[4] The album was preceded by three singles: "Alterna Girlfriend", "Planet" and.

"Chouchou Musubi".

"Planet" was used as the Sony "BRAVIA" commercial song and "Chouchou MusubI" was used as the theme song for the animated movie Fuse: Teppo Musume no Torimonocho.