Temporadas e Episódios
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.
Título Original 애간장
Primeira vez no ar Jan. 08, 2018
Ultima vez no ar Feb. 06, 2018