SDN48

SDN48 (read "S.D.N. Forty-eight", short for Saturday Night 48) was a Japanese idol girl group, created and produced by Yasushi Akimoto. SDN48 was created based on an "adult idol" concept. Former AKB48 member Kayo Noro was chosen as the captain of the group. In November 2010, the group made their major label debut with "Gagaga". The group ended with a farewell concert on March 31, 2012.

SDN48
Also known asSaturday Night 48
OriginAkihabara, Tokyo, Japan
GenresPop
Years active2009 (2009)–2012
LabelsNayutawave
Associated actsAKB48 Group, Monta Mino
Past membersList of members

History

2008-2009: Formation

In 2008, AKB48 producer Yasushi Akimoto decided to create a "Saturday Night 48" show, based on the concept of an "Adult idol" that would perform every Saturday at 10 pm.[1] The shows were restricted to fans aged 18 and older.[1] He also wanted to differentiate from AKB48's usual uniforms with sexier attire.[1] In July 2009, two AKB48 members, Megumi Ohori and Kayo Noro were chosen as the first two members of the group.[2] At the same time auditions were held to find other members.[2] The SDN48 debut stage Yūwaku no Garter (誘惑のガーター, Yūwaku no Gātā, "Garter of Temptation") was held on July 25.[3] At the end of AKB48's three-day Nippon Budokan concert the teams were reshuffled, leading to the removal of Kayo Noro, Megumi Ohori, Yukari Sato, and Kazumi Urano, leaving them to focus solely on SDN48 activities. Noro was also made the captain of the group.[4]

It was announced on September 27, 2009, that understudy Yuki Iwata had departed from the group due to health reasons.[5] Two months later, Eiko Maeda was transferred from sister group SKE48 to SDN48.[6] Upon joining the group Maeda changed her stage name to Machiko Tezuka.[7]

2010-2011: Major label debut

During their first anniversary concert, Noro announced to the audience that SDN48 would debut under Universal Music in the fall.[8] The group also suggested they would be eliminating the age restriction.[8] Through their TV show, Suppon no Onna-tachi (すっぽんの女たち), SDN48 held a senbatsu (選抜, lit. selection) election to determine the top twelve members who would participate in their debut single.[9] Former AKB48 member Megumi Ohori won No. 1 and was given the center position.[10] The single would be titled "Gagaga" and be released on November 24, 2010.[9] On September 30, 2nd generation member Sakura Fukuyama announced through her blog that she would be leaving the group due to health problems.[11] Chinese member Chen Qu was chosen as Fukuyama replacement.[12] The group was scheduled to release their second single "Ai, Juseyo" (愛、チュセヨ, Ai, Chuseyo, "Love, Give Me Please") on 23 March 2011; however, due to the Tōhoku earthquake and tsunami on 11 March, the single was postponed until 6 April.[13]

2012: Disbandment

On March 31, 2012, all the members graduated from the group and the group was disbanded. On April 19, 2012, former SDN48 members participated in AKB48's 2nd revival stage concert which took place on May 15.[14]

2013: Reunion & New Projects

On March 31, 2013, one year after the disbandment, an SDN48 reunion concert was held at AKB48 theater.[15]

On May 6, 2013, it was announced that seven former members were creating a new group, called 7cm. The group was under the Avex label and the members include Juri Kaida, KONAN, Mana Ito, Haruka Umeda, Megumi Imayoshi, Mami Kato and Miyuu Hosoda.[16] The group disbanded in December 30, 2014.

Members

1st Generation

2nd Generation

3rd Generation

Former members
  • Ayami Nakazato (Graduated December 24, 2009) a former Kishidan backdancer, and OZ-MAX member Ayami of DJ OZMA
  • Sakura Fukuyama (Graduated October 2010)
  • Kana Ito (Graduated February 2011)
  • Yuka Ninomiya (Graduated May 2011)
  • Tomomi Tanisaki (Graduated May 2011)
  • Sayo Hayakawa (Graduated July 2011)[17]
Understudy
  • Yuki Iwata (Withdrew September 24, 2009)

Discography

Singles
Year Single Charts Album Oricon
sales
[18]
JPN
[19]		 KOR
[20]		 First Week Total sales
2010 "GAGAGA" 3 27 NEXT ENCORE 63,627 79,128
2011 "Ai, Chuseyo" 3 - 64,020 71,236
"Min Min Min" 3 - 72,584 82,543
"Kudokinagara Azabu-Jūban Duet With Mino Monta" 3 - 67,018 69,885
2012 "Makeoshimi Congratulation" 2 - - 74,459 90,507

Albums
Year Album Charts Oricon
sales
[21]
JPN
[19]		 First Week Total sales
2012 "Next Encore" 1 48,085 50,312
"Yūwaku no Garter" 31

SDN48 1st Stage "Yuuwaku no Garter"

All SDN48's members did perform only one stage, "Yuuwaku no Garter". They usually were divided as 1st and 2nd/3rd generation stages. They performed at the AKB Theater.

gollark: It'll discard all but one of the flash messages.
gollark: This is wrong, actually.
gollark: I was already doing that. I don't think it helped.
gollark: Yes, and?
gollark: 1 million iron ingots is very necessary.

References
  1. "AKB48 expands with "kid" concerts, HKT group". Tokyograph. Nikkan Sports. 19 November 2008. Retrieved 21 October 2010.
  2. "Ohori, Noro recruited for SDN48". Tokyograph. Sponichi Annex. 18 July 2009. Retrieved 21 October 2010.
  3. "AKB48セクシープロジェクトにチームK大堀＆野呂参加". Natalie (in Japanese). Natasha Inc. 21 July 2009. Retrieved 21 October 2010.
  4. "AKB48 shuffles its teams". Tokyograph. Natalie. 24 August 2009. Retrieved 21 October 2010.
  5. "Yuki Iwata leaves SDN48". Tokyograph. Sponichi Annex. 27 September 2009. Retrieved 21 October 2010.
  6. "SKE48's Eiko Maeda joins SDN48". Tokyograph. Sponichi Annex. 29 November 2009. Retrieved 21 October 2010.
  7. "SKE48、チームKII「会いたかった」＆名古屋一揆がDVD化". Natalie (in Japanese). Natasha Inc. 2 February 2010. Retrieved 21 October 2010.
  8. "SDN48 getting major label debut". Tokyograph. Oricon. 1 August 2010. Retrieved 21 October 2010.
  9. "SDN48選抜メンバー12人が決定、CDデビューは11月24日". Natalie (in Japanese). Natasha Inc. 9 September 2010. Retrieved 21 October 2010.
  10. "Megumi Ohori ranks #1 in SDN48 Senbatsu". Tokyograph. TV Asahi. 8 September 2010. Retrieved 21 October 2010.
  11. "SDN48's Sakura Fukuyama leaves show business". Tokyograph. Natalie. 30 September 2010. Retrieved 21 October 2010.
  12. お知らせ. Gree (in Japanese). 4 October 2010. Retrieved 21 October 2010.
  13. "SDN48". Universal Music Japan. Retrieved 17 April 2011.
  14. "SDN48's graduation concert". Yahoo! Malaysia. 3 April 2012.
  15. "SDN48 Holds Surprise Performance + Announces Reunion Concert". Jpopasia. 28 January 2013.
  16. "7 Ex-SDN48 Members Form New Group: 7cm". Japanverse. 8 May 2013.
  17. "Former SDN48 member announces her return to modeling after 5 months absence", 18 October 2011, Model Press (in Japanese)
  18. "SDN４８のシングル売り上げランキング". Oricon. Retrieved 18 April 2011.
  19. "SDN48 Japanese Discography on ORICON STYLE" (in Japanese). Oricon. Retrieved 2010-11-30.
  20. "Gaon Chart" (in Korean). Gaon Chart. Retrieved 2010-12-03.
  21. "SDN48のアルバム売り上げランキング". Oricon. Retrieved 18 March 2012.
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