22/7 (group)

22/7 (ナナブンノニジュウニ, Nanabun no Nijūni) is a Japanese idol girl group formed through a media mix project by Yasushi Akimoto, Aniplex, and Sony Music Records. The members consist of voice actresses who provide the voice and motion capture for their characters, as well as perform as a musical group.

This article is about the Japanese group and media project. For other uses, see 22/7 (disambiguation).
See also: 22/7 (TV series)
22/7
22/7 characters. From top left: Miyako, Reika, Akane, Jun, Sakura, Miu, Nicole, and Ayaka. (Not pictured: Yuki, Tsubomi and Mikami)
Background information
GenresJ-pop
Years active2017–present
LabelsSME Records
Columbia Records
Websitewww.nanabunnonijyuuni.com
Members
  • Reina Miyase (Ayaka Tachikawa)
  • Mizuha Kuraoka (Miyako Kōno)
  • Chiharu Hokaze (Reika Satō)
  • Nagomi Saijō (Miu Takigawa)
  • Ruri Umino (Jun Toda)
  • Uta Kawase (Nicole Saitō)
  • Sally Amaki (Sakura Fujima)
  • Kanae Shirozawa (Akane Maruyama)
  • Moe Suzuhana (Mikami Kamiki)
  • Urara Takasuji (Yuki Tojo)
  • Aina Takeda (Tsubomi Hiragi)
Past members
  • Mei Hanakawa

22/7's variety show, 22/7 Keisanchū, began on July 7, 2018 on Tokyo MX.[1] An anime television series of the same name by A-1 Pictures, which stars the members' characters, premiered on January 11, 2020. In December 2019, a mobile musical rhythm game developed by h.a.n.d. with ForwardWorks and published by Aniplex was announced.

History

2017: Debut

An audition for 8 characters, which included both a CD debut and an anime, was held until December 17, 2016, with the final examination taking place on December 24, 2016.[2] On December 25, 2016, the idol group name was revealed as 22/7, which was chosen because it is an approximation to the mathematical constant , a transcendental number that represents their concept as "idols transcending through dimensions."[3] Among 10,325 applicants, 11 voice actresses were chosen through voting, with only the first 8 characters announced.[4] The group held their debut showcase on June 16, 2017,[5] and an animated adaptation was announced during their first live event on July 22, 2017.[6] 22/7's first single, "Boku wa Sonzai Shiteinakatta", was released on August 22, 2017, with the jacket designs illustrated by Yukiko Horiguchi.[7] The music video was animated by Tatsunoko Production.[7]

2018: 22/7 Keisanchū, final three characters revealed

On April 11, 2018, 22/7 released their second single, "Shampoo no Nioi ga Shita", with the CD visuals designed by Horiguchi again.[8] A series of animated character shorts were also released.[9] To promote the group's upcoming activities, 22/7 launched individual social media channels for the characters, including YouTube.[1] 22/7's variety show, 22/7 Keisanchū, was broadcast on Tokyo MX beginning July 7, 2018.[1]

22/7's third single, "Rikaisha", was released on August 22, 2018. The song was promoted during their annual live event on July 22, 2018, where they also announced Chiharu Hokaze had been elected the leader of the group.[10] "Rikaisha" debuted at #7 on the Oricon Daily Singles Chart.[11] On September 21, 2018, the last 3 characters for the remaining members of the group were revealed during a promotional event.[12]

2019-present: Departure of Hanakawa, 22/7's anime adaptation

On July 22, 2019, the music video for their fourth single, "Nani mo Shite Agerarenai" was released, becoming the first of their releases to reveal all 11 characters. The single was released on August 21, 2019, with the disc debuting in 4th with 29,000 units sold in its first week on the Oricon Weekly Singles Chart. On December 11, 2019, Mei Hanakawa announced that she was leaving the group due to health issues.[13] Hanakawa's final performance with the group was held on December 24, 2019, where Uta Kawase was introduced as a new member taking over the role of Nicole Saitō.[14] On the same day, a rhythm mobile game titled 22/7 Ongaku no Jikan was announced and in development by Aniplex, H.A.N.D., and Forward Works. The game was released on May 27, 2020 for iOS and Android.[15]

In February 2020, Takatsuji and Kuraoka went on hiatus due to poor health;[16] Takatsuji resumed activities with the group on May 15 while Kuraoka returned to the group in September 2020.[17] On December 1, 2020, Takeda went on hiatus to focus on her studies.[17] On December 23, 2020, Hokaze announced she was leaving the group to pursue voice acting full-time, her final release with the group being "Boku ga Motteru Mono nara", which is scheduled for release on February 28, 2021.[18]

Characters
Miu Takigawa (滝川 みう, Takigawa Miu)
Voiced by: Nagomi Saijō[19][4]
A girl who develops inferior complex, Miu serves as the main protagonist of the anime series. She is 16 years old and came from Saitama Prefecture. She is distinguishable from hair bangs that covered her eyes most of the time. Miu is designed by Yukiko Horiguchi.[20][21]
Miyako Kōno (河野 都, Kōno Miyako)
Voiced by: Mizuha Kuraoka[19][4]
An energetic girl from Osaka who speaks Kansai dialect. She is 17 years old. Miyako is designed by Mieko Hosoi.[20][21]
Nicole Saitō (斎藤 ニコル, Saitō Nikoru)
Voiced by: Mei Hanakawa (2017–2019),[13] Uta Kawase (2019–present)[15]
16 years old. Nicole is designed by Kurehito Misaki.[20]
Reika Satō (佐藤 麗華, Satō Reika)
Voiced by: Chiharu Hokaze[19]
17 years old. Student council and honor student. Reika is designed by Hirokazu Koyama.[20][21]
Ayaka Tachikawa (立川 絢香, Tachikawa Ayaka)
Voiced by: Reina Miyase[19][4]
An aggressive and militant girl. Ayaka is 17 years old. She is designed by Koharu Sakura.[20][21]
Jun Toda (戸田 ジュン, Toda Jun)
Voiced by: Ruri Umino[19][4]
15 years old. Jun is a high class girl who behaves . She is designed by Masayoshi Tanaka.[20][21]
Sakura Fujima (藤間 桜, Fujima Sakura)
Voiced by: Sally Amaki[19][4]
Sakura is the 16-year-old daughter of a good family. She has a sunny personality with a dark side.[22] Her friends call her "Ranran."
Originally, Sakura was not written as an English speaker, but after noticing Amaki had drawn in a large overseas fanbase, she was rewritten as an English speaker who had grown up overseas.[23] She is designed by Kantoku.[20][21]
Akane Maruyama (丸山 あかね, Maruyama Akane)
Voiced by: Kanae Shirosawa[19][4]
She is 16 years old. Her personality is that of an aloof robot. However under this façade is a very hard-working, cheerful girl. She is designed by Tometa Ohara.[20]
Mikami Kamiki (神木みかみ, Kamiki Mikami)
Voiced by: Moe Suzuhana[19][4]
A 16-year-old slow-paced girl who came from Kyoto and speaks in Kyoto dialect. She is designed by Kouhaku Kuroboshi.[20] She was revealed as a character in September 2018.[12]
Yuki Tojo (東条悠希, Tōjō Yūki)
Voiced by: Urara Takatsuji[19][4]
A 15-year-old tomboy. She is designed by Akio Watanabe.[20] She was revealed as a character in September 2018.[12]
Tsubomi Hiragi (柊つぼみ, Hīragi Tsubomi)
Voiced by: Aina Takeda[19][4]
17 years old. She is designed by Mel Kishida.[20] She was revealed as a character in September 2018.[12]

Discography
Title Year Peak positions Sales
JPN
[24]		 JPN
Hot
[25]
"Boku wa Sonzai Shiteinakatta"
(僕は存在していなかった)		 2017 1052
"Shampoo no Nioi ga Shita"
(シャンプーの匂いがした)		 2018 818
"Rikaisha" (理解者) 1430
"Nani mo Shite Agerarenai" (何もしてあげられない) 2019 4 15
"Muzui" (ムズイ) 2020 2 17
"Kaze wa Fuiteru ka?" (風は吹いてるか?) 2 8

Filmography

Television
Year Title Network Notes
2018–present 22/7 Keisanchū (22/7 計算中) Tokyo MX 22/7's variety show
2020 22/7 Tokyo MX Anime adaptation

References
  1. "秋元康氏総合プロデュース、22/7(ナナブンノニジュウニ)初のテレビ番組＆バーチャルYouTuber企画がスタート!! そして待望の3rdシングル発売決定!!" (in Japanese). Niconico News. 2018-06-14. Retrieved 2018-06-30.
  2. Komatsu, Mikikazu. "AKB48 Producer Yasushi Akimoto Plans New 2D/3D Idol Project". Crunchyroll. Crunchyroll. Retrieved 27 December 2016.
  3. "秋元康氏プロデュースアイドル「22/7」、配役&素顔公開". Oricon (in Japanese). 2017-05-19. Retrieved 2018-06-30.
  4. Karen Ressler (2017-05-20). "Voice Actresses Revealed for Yasushi Akimoto-Produced Idol Unit 22/7". Anime News Network. Retrieved 2018-06-30.
  5. "秋元康氏プロデュース「22/7」ら8組競演 ソニーイチ押し新人ライブ". Oricon (in Japanese). 2017-06-16. Retrieved 2018-06-30.
  6. "秋元康氏プロデュースアイドル「22/7」涙の初ライブ 9・20メジャーデビュー&アニメ化決定" (in Japanese). Oricon. July 22, 2017. Retrieved June 30, 2018.
  7. "22/7、堀口悠紀子氏の描き下ろし新ビジュアル公開". Oricon (in Japanese). 2017-08-04. Retrieved 2018-06-30.
  8. Komatsu, Mikikazu (2017-02-18). ""K-ON!," "Tamako Market" Character Designer Draws Digital Idol Group 22/7's 2nd Single Visual". Crunchyroll News. Retrieved 2018-07-01.
  9. Sherman, Jennifer (2018-05-30). "22/7 Idol Project's 1st 2 Anime Character Videos Stream Outside Japan". Anime News Network. Retrieved 2018-06-30.
  10. "22／7(ナナブンノニジュウニ)、3rdシングル「理解者」を初披露！リーダーに任命された帆風千春さんの抱負は――". Animate Times (in Japanese). 2018-07-28. Retrieved 2018-08-21.
  11. "デイリー　シングルランキング". Oricon (in Japanese). 2018-08-22. Retrieved 2018-08-22.
  12. "22/7がデビュー1周年の日に冠番組イベント開催、念願の新キャラクター発表に号泣". Natalie (in Japanese). 2018-09-21. Retrieved 2018-10-28.
  13. Loo, Egan (2019-12-11). "22/7 Idol Mei Hanakawa to Leave Group Before Anime's Premiere". Anime News Network. Retrieved 2019-12-11.
  14. "22/7結成3周年イベントでアニメのテーマ曲初披露、卒業する花川の役は新メンバーが継承" [22/7 organization's 3rd anniversary event debuts anime theme song; new members will take over Hanakawa's role]. Natalie (in Japanese). 2019-12-24. Retrieved 2019-12-25.
  15. "リズムゲームアプリ「22/7 音楽の時間」を本日より事前登録受付開始！" [Pre-registration for the rhythm game application "22/7 Music Time" starts today!]. Aniplex (in Japanese). PR Times. 2019-12-24. Retrieved 2019-12-25.
  16. Sherman, Jennifer (2020-02-24). "22/7 Voice Actress Mizuha Kuraoka Goes on Hiatus Due to Health". Anime News Network. Retrieved 2020-12-23.
  17. Mateo, Alex (2020-12-02). "22/7 Voice Actress Aina Takeda Goes on Hiatus Due to Academic Studies". Anime News Network. Retrieved 2020-12-23.
  18. Mateo, Alex (2020-12-23). "22/7 Project's Chiharu Hokaze Graduates From Franchise". Anime News Network. Retrieved 2020-12-23.
  19. "ARTIST". 22/7 – ナナブンノニジュウニ (in Japanese). Retrieved 22 July 2017.
  20. "秋元康 デジタルアイドル グループ名は『22/7』". ローチケHMV (in Japanese). Retrieved 27 December 2016.
  21. "Yasushi Akimoto's New Idol Group That 'Crosses Dimensions' Reveals 4 Character Designs". Anime News Network. Retrieved 27 December 2016.
  22. Aniplex USA [@aniplexusa] (2017-10-24). "Sally Amaki fans! We got a special comment video where Sally wants to say a few things to her fans! Check it out! #天城サリー #ナナブンノニジュウニ" (Tweet). Retrieved 2018-06-30 – via Twitter.
  23. St. Michel, Patrick (2018-07-27). "Sally Amaki's life as an animated idol-pop star". The Japan Times. Retrieved 2018-07-27.
  24. Sources for chart positions are as follows:
  25. Sources for chart positions are as follows:
  26. "オリコン週間 シングルランキング 2017年09月18日～2017年09月24日" (in Japanese). Oricon. 2017-10-02. Archived from the original on 2017-09-27. Retrieved 2018-09-28.
  27. "オリコン週間 シングルランキング 2018年04月09日～2018年04月15日" (in Japanese). Oricon. 2018-04-09. Archived from the original on 2018-04-18. Retrieved 2018-09-28.
  28. "週間　シングルランキング 2018年09月03日付". Oricon News (in Japanese). Oricon. Archived from the original on 2018-08-29. Retrieved 2018-09-02.
  29. "週間 CDシングルランキング 2019年09月02日付" [Weekly CD Single Ranking for September 2, 2019] (in Japanese). Oricon. Retrieved August 28, 2019.
  30. "週間 CDシングルランキング 2020年03月09日付" [Weekly CD Single Ranking for March 9, 2020] (in Japanese). Oricon. Retrieved March 4, 2020.
  31. "週間 CDシングルランキング 2020年10月12日付" [Weekly CD Single Ranking for October 12, 2020] (in Japanese). Oricon. Archived from the original on 2020-10-09. Retrieved October 9, 2020.
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