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Su-hyeon believes she's doing the right thing by ending it with Jin-hyeok. Heartbroken, he struggles to understand her decision.
Song Hye-kyo
Cha Su-hyeon
Park Bo-gum
Kim Jin-hyeok
Jang Seung-jo
Jung U-seok
Ko Chang-seok
Nam Myeong-sik
Shin Jung-keun
Kim Jang-su
Nam Kee-ae
Jin Mi-ok
Baek Ji-won
Ju Yeon-ja
Pyo Ji-hoon
Kim Jin-myeong
Moon Sung-keun
Congressman Cha Jong-hyeon
Kwak Sun-young
Jang Mi-jin
Cha Hwa-yeon
Kim Hwa-jin
Lee Si-hoon
Park Han-gil
Kim Ju-hun
Lee Dae-chan
Kim Hye-eun
Kim Seon-ju
Jeon So-nee
Ju Hye-in
Park Jin-joo
Gu Eun-jin
Park Seong-geun
Choi Jin-cheol
Jang Hui-ryeong
Su-a
Kil Hae-yeon
Teacher Lee
Shin Soo-yeon
Ji-u
Kim Ho-chang
Lee Jin-ho