Sekaiichi Happy na Onna no Ko
| "Sekaiichi Happy na Onna no Ko" | ||||
|---|---|---|---|---|
Regular Edition cover | ||||
| Single by Cute | ||||
| from the album Dai Nana Shō 'Utsukushikutte Gomen ne' | ||||
| B-side | "Idai na Chikara o!" | |||
| Released | September 7, 2011 (Japan) | |||
| Genre | J-pop | |||
| Length | 13:38 | |||
| Label | Zetima | |||
| Songwriter(s) | Tsunku | |||
| Producer(s) | Tsunku | |||
| Cute singles chronology | ||||
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| Berryz Kobo×Cute singles chronology | ||||
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| Hello! Project Mobekimasu singles chronology | ||||
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| Music video | ||||
| "Sekaiichi Happy na Onna no Ko" on YouTube | ||||
"Sekaiichi Happy na Onna no Ko" (世界一HAPPYな女の子; "The happiest girl in the world") is the 17th major single by the Japanese idol group Cute, released in Japan on September 7, 2011 on the Zetima label.