First air date: Jan 08, 2018
Episode duration: 01h 00m
Rating: (6.8) based on 4 votes
Status: Ended
Seasons: 1
Episodes: 10
Starring: Lee Jung-shin, Seo Ji-hoon, Lee Yul-eum, Lee Tae-seon, Cho Lee-hyeon
Genre: Comedy, Mystery, Sci-Fi & Fantasy

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.

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