|Released:||October 24, 2010|
|Format:||CD Single, CD+DVD|
|Label:||Universal Music Japan|
|SDN48 Singles Chronology|
"GAGAGA" is the debut single released by SDN48. It was released in three versions: regular type A and B CD+DVD editions, and a CD-only theater version. The first press of both regular editions came with a handshake event ticket. "GAGAGA" was also released in Korea, as a CD+DVD edition containing track from the Japanese release. The entire release was in Japanese except the title track, which has a Korean rap. "GAGAGA" peaked at #2 on the Oricon charts, and sold 79,128 copies after charting for 13 weeks.
The members selected for this single were chosen by the fans with three ways of voting: 1) Voting on TV Asahi's mobile site; 2) Reading their official GREE Blogs; or 3) Downloading their official profile picture on TV Asahi's mobile site.
- 1st Gen: Ohori Megumi, Sato Yukari, Noro Kayo, Umeda Haruka, Urano Kazumi, Serina, Kato Mami, Kohara Haruka, Ito Kana, Akita Kazue, Chen Qu
- 2nd Gen: KONAN
- All SDN48 members.
Artist: Undergirls A (アンダーガールズA)
- 1st Gen: Hatakeyama Chisaki, Okochi Misa, Nishikunihara Reiko, Nachu, Mitsui Hiromi, Kaida Jyuri, Imayoshi Megumi
- 2nd Gen: Fujikoso Yumi, Ooki Natsuko, Kimoto Yuki, Oyama Aimi, Matsushima Rumi
Artist: Undergirls B (アンダーガールズB)
- 1st Gen: Kondo Sayaka, Tezuka Machiko, Kochi Masami
- 2nd Gen: Aikawa Yuki, Ito Mana, Akiko, Tanisaki Tomomi, Tsuda Marina, Hosoda Miyuu, Ninomiya Yuka, Fukuda Akane, Takahashi Yui
Oricon Chart Positions
Total Reported Sales: 79,128
Total Sales in 2010: 71,714 (#99 single of the year)
Total Sales in 2011: 7,414