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Ban Do and Jin Joo return to the year they were 20. Unfortunately, they face the worst day of both their lives. They are both excited to return to their college years, but that excitement turns out to be temporary. They meet at an unexpected place only to be reminded of the events that occurred that day.
First Air Date : Oct 13, 2017
Last Air date : Nov 18, 2017
Episode : 12 Episode
Season : 1 Season
Runtime: 70 minutes
Studio: KBS2
Country: South Korea