C-ute (°C-ute) - Sekai ichi HAPPY na Onna no ko

<Regular Edition cover>

<Limited Edition A cover>

<Limited Edition B cover>

Details:

• 17th major single
• Released on 7 September 2011
• This single released in 3 edition : Limited A, Limited B & Regular edition

Tracklist:

1. Sekaiichi Happy na Onna no Ko (世界一HAPPYな女の子; World's Happiest Girl)
2. Idai na Chikara wo! (偉大な力を！; A Great Force!)
3. Sekaiichi Happy na Onna no ko (Instrumental)

C-ute - Sekai ichi HAPPY na Onna no ko PV

C-ute - Sekai ichi HAPPY na Onna no ko (Dance Shot Ver.)

C-ute - Sekai ichi HAPPY na Onna no ko (Close-up Ver.)

C-ute - Sekai ichi HAPPY na Onna no ko (Color Box Ver.)

C-ute - Idai na Chikara wo!