Longing Heart

Kang Shin-Woo Lee Jung-Shin is a math teacher with a good looking appearance. He has not forgotten his first love Han Ji-Soo Lee Yeol-Eum 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 Seo Ji-Hoon. Kang Shin-Woo struggles to make the younger Kang Shin-Woo’s love come true.