Can You Guess the Idol by Their Voice? (LOVELYZ's Ryu Sujeong & ARTMS's HeeJin)

[waves_of_light]

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Can they recognize each other without seeing each other..?
Blind Song Guessing with LOVELYZ's Ryu Sujeong and ARTMS's HeeJin, former member of LOONA!

source: 헤이데이 Heyday