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As high schoolers, Kook Yeon-su and Choi Ung give a documentary crew a peek into their lives. Ten years later, they've gone their separate ways.
First Air Date : Dec 06, 2021
Last Air date : Jan 25, 2022
Episode : 16 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: SBS
Country: South Korea
