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Ko Eun (고은), better known mononymously as Koeun was a trainee in SM Entertainment, and a member of the pre-debut training team SMROOKIES, she was born on March 18, 1999 in Seoul, South Korea. She was introduced on July 8, 2015. She left SM on February 2020. She is currently an Influencer.

Trivia[]

  • Koeun said in a Ceci 2015 interview that she was a Track and Field athlete in elementary school.
    • She was a registered 80m track and field athlete in the KAAF (Korea Association of Athletic Federations), who represented Gyeonggi Bongilcheon Elementary School in Paju, Gyeonggi Province.
    • She stopped competing now and is no longer registered, so her KAAF profile says she is a "retired player".
  • Her specialty is Vocals.
  • Her nickname is Koleader.
  • Her hobby is doing yoga.
  • Yeri and Koeun are good friends.
  • Koeun joined SM Entertainment in 2011, training for almost 9 years after her departure in February 2020.
    • She was part of the variety show Mickey Mouse Club broadcasted through Disney Channel Korea in 2015. In 2016,
    • she was part of the "Who's the best?" segment of My SMT along with former Rookies Hina, aespa Ningning, and former Rookie Yiyang.
  • In April 2017, she was featured in Yesung's "Paper Umbrella" music video, along with fellow Rookie Jungwoo.
  • Later in 2017, Koeun with fellow former Rookies Jungyeon, Hina and Ningning sang several OST for the MBC animated series titled Shining Star Animation.
    • They sang the opening theme, "Shining Star", and original songs titled "Dream Dream Dream", "Someday" and "Run and Run."
    • They also covered Girls' Generation's "Into The New World", "Gee", f(x)'s "Ice Cream", BoA's "Moto", and SES' "I'm Your Girl."
    • Koeun also sang with Onestar for a duet version of "Someday."
  • Her official Instagram is letsgoeunn. Where she follows former SMROOKIE’s Lami, Herin, and Yiyang and Jungyeon anf other former trainees.
  • She left SM Entertainment as of February 2020 alongside Lami
    • She and Lami have went live on Instagram on 200623
  • On 230256 She went with the former trainees of SM in the first Concert of aespa
  • MOTTO: "Think positively, act aggressively."
    • "The cute maknae Koeun is now Ko-leader."
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