SDN48

SDN48 (SaturDay Night48) Was an AKB48 Sister group. They used to be the sexy and mature AKB48 sister group. They had the theater in common with AKB48 placed in Don Quixote (Akihabara prefecture). All the members graduated from the group in March 2012 for an unknown reason. Some former members later Joined 7cm debuted and disbanded in 2014

First Generation (Graduation Date)

 * Nakazato Ayami (December, 2009)
 * Ito Kana (February, 2011)
 * Akita Kazue (March, 2012)
 * Imayoshi Megumi (March, 2012)
 * Umeda Haruka (March, 2012)
 * Urano Kazumi (March, 2012)
 * Okouchi Misa (March, 2012)
 * Ohori Megumi (March, 2012)
 * Kaida Juri (March, 2012)
 * Kato Mami (March, 2012)
 * Kouchi Masami (March, 2012)
 * Kohara Haruka (March, 2012)
 * Kondo Sayaka (March, 2012)
 * Sato Yukari (March, 2012)
 * Serina (March, 2012)
 * Chen Qu (March, 2012)
 * Tezuka Machiko (March, 2012)
 * Nachu (March, 2012)
 * Nishikunihara Reiko (March, 2012)
 * Noro Kayo (Captain) (March, 2012)
 * Hatakeyama Chisaki (March, 2012)
 * Mitsui Hiromi (March, 2012)

Second Generation (Graduation Date)

 * Fukuyama Sakura (September, 2010)
 * Ninomiya Yuka (May, 2011)
 * Tanisaki Tomomi (May, 2011)
 * Aikawa Yuki (March, 2012)
 * Akiko (March, 2012)
 * Ito Mana (March, 2012)
 * Oyama Aimi (March, 2012)
 * Kimoto Yuki (March, 2012)
 * KONAN (March, 2012)
 * Takahashi Yui (March, 2012)
 * Tsuda Marina (March, 2012)
 * Natsuko (March, 2012)
 * Fukuda Akane (March, 2012)
 * Fujikoso Yumi (March, 2012)
 * Hosoda Miyuu (March, 2012)
 * Matsushima Rumi (March, 2012)

Third Generation (Graduation Date)

 * Hayakawa Sayo (July, 2011)
 * Kojo Seara (March, 2012)
 * Komatani Hitomi (March, 2012)
 * Shinahama Saemi (March, 2012)
 * Siyeon (March, 2012)
 * Tojima Hana (March, 2012)
 * Miray (March, 2012)

Singles

 * [2010.11.24] GAGAGA
 * [2011.03.23] Ai, Chuseyo
 * [2011.08.17] MIN・MIN・MIN
 * [2011.12.28] Kudokinagara Azabu Juuban duet with Mino Monta
 * [2012.03.14] Makeoshimi Congratulation

Best Album

 * [2012.03.14] NEXT ENCORE