SDN48

SDN48 (SaturDay Night48) Was a AKB48's Sister group. They used to be the sexy and mature AKB48's 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 unknow reason.

Member
First Generation (Graduation Date)
 * Nakazato Ayami (あやみん Ayamin) (December, 2009)
 * Ito Kana (かなにゃん Kananyan) (February, 2011)
 * Akita Kazue (かず Kazu) (March, 2012)
 * Imayoshi Megumi (メグ Megu) (March, 2012)
 * Umeda Haruka (うめこ Umeko) (March, 2012)
 * Urano Kazumi (CinDy) (March, 2012)
 * Okouchi Misa (みさみさ Misamisa) (March, 2012)
 * Ohori Megumi (めーたん Meetan) (March, 2012)
 * Kaida Juri (じゅり Juri) (March, 2012)
 * Kato Mami (まみたん Mamitan) (March, 2012)
 * Kouchi Masami (まさみん Masamin) (March, 2012)
 * Kohara Haruka (きゅるるん〜 Kyururun~) (March, 2012)
 * Kondo Sayaka (さやねぇ Sayanee) (March, 2012)
 * Sato Yukari (ゆかりん Yukarin) (March, 2012)
 * Serina (せりんこ Serinko) (March, 2012)
 * Chen Qu (ちゅちゅー Chuchuu) (March, 2012)
 * Tezuka Machiko (まっちぃ Macchi) (March, 2012)
 * Nachu (なちゅはむ Nachuhamu) (March, 2012)
 * Nishikunihara Reiko (レイチェル Rachel/Reicheru) (March, 2012)
 * Noro Kayo (ノンティー Nontii) (Captain) (March, 2012)
 * Hatakeyama Chisaki (ちゃき Chaki) (March, 2012)
 * Mitsui Hiromi (ひろみん Hiromin) (March, 2012)

second Generation (Graduation Date)
 * Fukuyama Sakura (さくらん Sakuran) (September, 2010)
 * Ninomiya Yuka (ゆかぽ Yukapo) (May, 2011)
 * Tanisaki Tomomi (ばんび Banbi) (May, 2011)
 * Aikawa Yuki (ゆっきー Yuukii) (March, 2012)
 * Akiko (あちこ Achiko) (March, 2012)
 * Ito Mana (まなな Manana) (March, 2012)
 * Oyama Aimi (あいみん Aimin) (March, 2012)
 * Kimoto Yuki (きーぼう Kiibou) (March, 2012)
 * KONAN (コニャン Konyan) (March, 2012)
 * Takahashi Yui (ゆいりん Yuirin) (March, 2012)
 * Tsuda Marina (まりなる Marinaru) (March, 2012)
 * Natsuko (なっちゃん Nacchan) (March, 2012)
 * Fukuda Akane (ね〜ね Ne~ne) (March, 2012)
 * Fujikoso Yumi (ゆみんた Yuminta) (March, 2012)
 * Hosoda Miyuu (みゆ Miyu) (March, 2012)
 * Matsushima Rumi (ルミルミ Rumirumi) (March, 2012)

Third Generation (Graduation Date)
 * Hayakawa Sayo (July, 2011)
 * Kojo Seara (ぴかちゃん Pika-chan) (March, 2012)
 * Komatani Hitomi (ひぃちゃん Hiichan) (March, 2012)
 * Shinahama Saemi (さえみん Manana) (March, 2012)
 * Siyeon (シヨン Shiyon/Siyeon) (March, 2012)
 * Tojima Hana (はな Hana) (March, 2012)
 * miray (miray将軍 miray-shogun) (March, 2012)

Singles
Best Album
 * [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
 * [2012.03.14] NEXT ENCORE