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.
Lee Jung-shin
Seo Ji-hoon
Lee Yul-eum
Lee Tae-seon
Cho Lee-hyeon
Score: 7.0
Score: 0.0
Score: 7.5
Score: 5.4
Score: 7.2
Score: 4.5
Score: 8.4
Score: 7.4
