OS☆U

 (オーエスユー; Osu Super Idol Unit) is an idol group based in Nagoya and formed in August 2010.

Current Members

 * Saito Megu (斉藤めぐ) - Captain (Gen 3)
 * Hoshino Maria (星野麻里愛) (Gen 4)
 * Koda Mei (香田メイ) (Gen 5)
 * Natsukawa Ami (夏川愛実) (Gen 7)
 * Shirato Haruka (白戸遥) (Gen 7)
 * Sasaki Natsumi (佐々木菜摘) (Gen 8)
 * Igawa Natsu (井川なつ) (Gen 8)
 * Asahi Hina (朝日ひな) (Gen 8)
 * Isaki Moeka (伊咲萌香) (Gen 9)
 * Matsumoto Rico (松本莉恋) (Gen 9)
 * Noda Wakana (野田若菜) (Gen 10)
 * Yamamoto Sana (山本紗愛) (Gen 10)
 * Emoto Rika (江本梨花) (Gen 10)
 * Konatsu Yuana (小夏ゆあな) (Gen 10)
 * Tachibana Kyoka (橘杏佳) (Gen 11)

Former Members

 * Yokochi Shiho (横地志保) (Gen 1; Graduated April 2011)
 * Fujita Mai (藤田まい) (Unknown)
 * Ono Yuuki (小野勇気) (Gen 1; Graduated April 30, 2012)
 * Inudou Rino (犬童梨乃) (Gen 2; Graduated July 20, 2012)
 * Kaji Miki (梶美希) (Gen 1; Graduated August 18, 2012)
 * Okajima Riko (岡島里恋) (Gen 1; Graduated September 1, 2012)
 * Koumoto Hikari (甲本ヒカリ) (Gen 2; Graduated September 5, 2012)
 * Usuda Mizuki (臼田瑞姫) (Gen 3; Graduated October 9, 2012)
 * Himuro Nodoka (氷室のどか) (Gen 1; Graduated Late January 2013)
 * Nagasawa Catherine Masako (長澤キャサリン雅子) (Gen 2; Graduated February 28, 2013)
 * Hijikata Erika (土方瑛里香) (Gen 1; Graduated Late March 2013)
 * Tamaki Aya (玉置亜弥) (Gen 2; Graduated Late March 2013)
 * Sakuragi Mai (桜木まい) (Unknown)
 * Usami Sayaka (宇佐美沙耶香) (Gen 3; Graduated April 17, 2014)
 * Toda Reika (戸田玲香) (Gen 5; Graduated October 1, 2014)
 * Kato Ayu (加藤亜優) (Gen 5; Graduated late March 2015)
 * Oshima Risa (大島梨紗) (Gen 5; Graduated late March 2015)
 * Ban Kanami (伴かなみ) (Gen 1; Graduated May 14, 2015)
 * Naruse Mika (成瀬未佳) (Gen 3; Graduated May 13, 2015)
 * Miwa Asuka (美和明日香) (Gen 3; Graduated May 13, 2015)
 * Watanabe Yuki (渡辺友貴) (Gen 4; June 30, 2015)
 * Okusaka Mari (奥坂まり) (Gen 6; Graduated October 19, 2015)
 * Morisaki Tomomi (森咲智美) (Gen 1; Graduated March 26, 2016)
 * Wakasugi Rin (若杉凜) (Gen 5; Graduated June 31, 2016)
 * Asakura Makoto (朝倉真琴) (Gen 2; Graduated December 23, 2016)
 * Chouno Masami (蝶野晶美) (Gen 2; Graduated February 19, 2017)
 * Sekiya Misaki (関谷美咲) (Gen 6; Graduated February 25, 2017)
 * Mochizuki Ayano (望月綾乃) (Gen 4; Graduated March 5, 2017)
 * Ochi Azuha (越智梓葉) (Gen 6; Graduated March 28, 2017)
 * Kai Ayaka (甲斐彩花) (Gen 4; Graduated May 18, 2017)
 * Kiyosato Chisei (清里千聖) (Gen 1; Graduated November 11, 2017)
 * Ono Saki (大野咲貴) (Gen 3; Graduated December 31, 2017)
 * Yasumi Eiko (八角瑛子) (Gen 2.5; Graduated December 31, 2017)
 * Takahashi Moe (高橋萌) (Gen 1; Graduated  early August 2018)
 * Ishihara Yui (石原優衣) (Gen 6; Graduated December 27, 2018)
 * Ikeda Niko (池田にこ) (Gen 8; Graduated January 20, 2019)
 * Shida Rina (志田梨奈) (Gen 9; Graduated March 4, 2019)
 * Araki Miho (荒木美穂) (Gen 3; Graduated April 21, 2019)
 * Hashimoto Chihiro (橋本千央) (Gen 8; Graduated May 12, 2019)
 * Sugiura Asuka (杉浦希香) (Gen 8; Graduated June 2019)
 * Sunada Shizuku (砂田雫) (Gen 10; Graduated August 31, 2020)
 * Ogino Kokoro (荻野心) (Gen 11; Withdrew September 3, 2020)
 * Narita Seira (鳴大晴咲) (Gen 11; Withdrew October 19, 2020)

Sub-Units

 * Maneki Neko from OS☆U (Takahashi Moe, Yasumi Eiko, Saito Megu, Araki Miho, Ono Saki, Kai Ayaka)
 * Lady Note from OS☆U (Kiyosato Chisei, Chouno Masami, Asakura Makoto, Koda Mei, Mochizuki Ayano)
 * pop☆star (Hoshino Maria, Natsukawa Ami, Igawa Natsu, Sasaki Natsumi, Shirato Haruka, Isaki Moeka)
 * Genesis Girl (創世記少女 -Genesis Girl-) (Koda Mei, Matsumoto Rico)

Mini Albums

 * 1) [2013.08.18] present for you

Best Albums

 * 1) [2013.08.18] OS☆U BEST vol.1
 * 2) [2013.08.18] OS☆U BEST vol.2
 * 3) [2017.11.01] passage -OS☆U Best-

Singles

 * 1) [2010.10.16] kiss!kiss!! ~Chizu ni Nai Michishirube~ (kiss!kiss!! 〜地図にない道標〜)
 * 2) [2010.12.14] Merry Christmas!!
 * 3) [2011.03.15] girls☆girls talk!
 * 4) [2011.06.25] Surfing Striker
 * 5) [2012.04.15] Dame Moto LOVE (ダメもとLOVE)
 * 6) [2012.12.05] A-GIRL
 * 7) [2013.03.20] We are OS☆U / Ai no Katachi (We are OS☆U / アイのカタチ)
 * 8) [2014.03.29] Mousugu kiss Dayo★ (もうすぐkissだよ★)
 * 9) [2014.04.23] Naite Tamaruka, Heart no Ohikko (泣いてたまるか、ハートのお引越し)
 * 10) [2014.08.20] Churun Churun ni Kigatsuite! (ちゅるんちゅるんに気がついて!)
 * 11) [2015.03.18] Gangan☆Dance / Kimi no Tame ni... (ガンガン☆ダンス / 君のために...)
 * 12) [2015.07.28] Junshin Caribbean / I.N.G!!! (純真カリビアン / I.N.G!!!)