Biography
X21 (read as X Nijuuichi) also known as Next Generation Unit X21 (次世代ユニットX21), was an idol group originally made up of 21 finalists of the 13th Japan Bishoujo Contest (第13回全日本国民的美少女コンテスト) in August 2012. They are a Japanese idol group formed in 2013 by Oscar Promotion. The “X” in the group’s name stands for “unknown”, “future” and “power that can not be predicted”. It indicates that they are the next generation idol unit and that their potential is unpredictable. They disbanded on November 30, 2018.
Final Line-Up:
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Yamasaki Saaya (山﨑紗彩)
Matsuda Rina (松田莉奈)
Komoriya Sakura (籠谷さくら)
Tanaka Shuri (田中珠里)
Nagao Mami (長尾真実)
Igashira Manami (井頭愛海)
Osaki Ichika (尾碕真花)
Shiratori Hasumi (白鳥羽純)
Kaminaguchi Honoka (上水口萌乃香)
Yamaki Koharu (山木コハル)
Suenaga Mai (末永真唯)
Ozawa Nanaka (小澤奈々花)
Inuzuka Shiori (犬塚しおり) (Joined April 2016)
Kadogaki Hikaru (門垣ひかる) (Joined April 2016)
Kawaguchi Yurina (川口ゆりな) (Joined April 2016)
Nakazato Megumu (中里萌) (Joined April 2016)
Fujie Moe (藤江萌) (Joined October 2017)
Former Members:
Nishikawa Misaki (西川美咲) (Graduated April 2014)
Wakayama Ayano (若山あやの) (Graduated March 2016)
Sera Misaki (瀬羅美咲) (Graduated March 2016)
Sagawa Miyu (佐川実優) (Graduated March 2016)
Hosoi Yurika (細井友里加) (Graduated March 2016)
Takahashi Runa (高橋るな) (Graduated March 2016)
Izumikawa Miho (泉川実穂) (Graduated April 2017)
Onishi Aguri (大西亜玖璃) (Graduated April 2017)
Yoshimoto Miyu (吉本実憂) (Graduated September 2017)
Iijima Mika (飯島未賀) (Joined April 2016, graduated March 2018)
Takamura Yuuka (髙村優香) (Joined April 2016, graduated March 2018)
Biography text from Last.fm, available under CC BY-SA.