9nine
Japanese girl group

9nine (pronounced simply "nine") is a Japanese idol group formed of Uki Satake, Sayaka Nishiwaki, and Hirona Murata. Formed in 2005, they are managed by LesPros Entertainment and signed to SME Records.
History
2005-2010: Origin and debut
In September 2005, 9nine was formed of Sayaka Nishiwaki, Uki Satake, Azusa Matsuzawa, Miwako Wagatsuma, Rubi Katō, Marie Ashida, Mai Yoshida, Midori Yamaoka, and Moe Miura. They released their debut single "Sweet Snow" in 2006.
2010-2019: Restart and popularity
The band changed its music style from typical idol pop to electropop. The group's 2012 single "Shōjo Traveller" became its first to reach the top 10 on the Oricon Weekly Singles Chart. The self-titled album 9nine, that soon followed, debuted at number 8. On 27 February 2019, it was announced on their official website that the group would be pausing all activities and going on an indefinite hiatus. On 20 May 2019, Kanae Yoshii withdrew from the group and announced retirement from the entertainment industry, leaving only 3 members left in the lineup. On 21 July 2022, Sayaka Nishiwaki announced her withdrawal from the group and from LesPros Entertainment as she transferred to a new agency, but she revealed that she have intention to return to the group in the future.
Begin with the source’s own compact description: “9nine” is japanese girl group. The dossier treats that line as a proposition to test through 9nine, Japanese and girl, not as a finished interpretation.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Oct 19, 2025. The linked authority identifier is Q184294. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2005, 2010, 2006 and 2019.
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This entry incorporates text from “9nine” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.