Actress Yoon Seo, whom you might recognize as Twinkle member Lee Ji Young from her past drama 'Ddanddara', is reportedly preparing to become an idol. Back in 2012, she made her actress debut, and has been simultaneously practicing her dancing and singing. Supposedly, Yoon Seo is most likely to debut in Wellmade Yedang's new girl group.
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What do you think of Yoon Seo's transition?