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Hae Sung and Jung Won are ordinary high school seniors who are getting themselves ready for life after graduation. One day, Hae Sung wakes up to find everything surrounding him different. He was dead for 12 years.
First Air Date : Jul 19, 2017
Last Air date : Sep 21, 2017
Episode : 40 Episode
Season : 1 Season
Runtime: 30:14 minutes
Studio: SBS
Country: South Korea