
Do you remember? Your first love.
Through the course of their lives, a man and his first love are repeatedly separated from each other because of circumstances out of their control.

Park Bo-young
Hwan Seung-hee

Kim Young-kwang
Hwang Woo-yeon

Kang Ki-young
Ok Geun-nam

Ko Kyu-pil
Gu Kong-ja

Jang Seong-beom
Choi Soo-pyo

Cha Yeob
Lee Taek-gi

Seo Eun-soo
Park Min-kyung

Bae Hae-seon
Seung-hee's Mother

An Kil-kang
Woo-yeon's Father

Shin So-yul
So-jung

Song Jae-rim
Yoon-geun

So Hee-jung
Woo-yeon's Mother

Lim Hyung-jun
Mr. Bae

Kim Hyun-sook
Ms. Min

Jung Da-won
Boarding Student