Upcoming hip hop a capella girl group, Coin Jackson, has been revealing their members one by one in anticipation of their debut, and they've finally revealed their maknae today. Wooyoo, the 20-year-old maknae, has been nicknamed 'bagel girl' (baby face + glamorous body) by her fellow members.� Coin Jackson's agency commented, "Wooyoo has a four-dimensional personality, so she'll be making her name known through entertainment and game variety shows after the group's debut." The girls are currently preparing for their debut showcase (scheduled for the end of this month), and will be promoting in both Korea and Japan with their unique genre. Source + Photos: E Daily via Daum