Synopsis
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.
Original title 애간장
First air date Jan. 08, 2018
Last air date Feb. 06, 2018
Seasons 1
Episodes 10
Average Duration 60 minutes
