Babysoul (Lee Su-jeong): 李洙姃

Su > 洙 (물가 수): A place beside water

Jeong > 姃 (단정할 정): Neat, tidy

Overall meaning: A neat and tidy place beside water

Jiae (Yoo Ji-ae): 劉智愛

Ji > 智 (슬기 지/지혜 지): Wisdom

Ae > 愛 (사랑 애): Love

Overall meaning: To love wisdom

Jisoo (Seo Ji-soo): 徐智秀

Ji > 智 (슬기 지/지혜 지): Wisdom

Soo > 秀 (빼어날 수): Excellent, outstanding

Overall meaning: Outstanding wisdom

Mijoo (Lee Mi-joo): 李美珠

Mi > 美 (아름다울 미): Beautiful

Joo > 珠 (구슬 주): Marble, bead

Overall meaning: A beautiful marble

Kei (Kim Ji-yeon): 金志姸

Ji > 志 (뜻 지): Definition (of a word)

Yeon > 姸 (고울 연): Beautiful, kind-hearted

Overall meaning: The definition of beautiful/kind-hearted

Jin (Park Myung-eun): 朴明恩

Myung > 明 (밝을 명): Bright (light)

Eun > 恩 (은혜 은): Grace, mercy

Overall meaning: A bright light of grace/mercy

Sujeong (Ryu Su-jeong): 柳洙正

Su > 洙 (물가 수): A place beside water

Jeong > 正 (바를 정/정월 정): To cover, to spread/The first month in a year