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Kang Shin-Woo is a math teacher with a good looking appearance. He has not forgotten his first love Han Ji-Soo for the past 10 years. By an accident, he travels to the past when he was a high school student. There, he meets his younger self. Kang Shin-Woo struggles to make the younger Kang Shin-Woo's love come true.
First Air Date : Jan 08, 2018
Last Air date : Feb 06, 2018
Episode : 10 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: OCN
Country: South Korea
