Romance Is a Bonus Book(2019)
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Lee Jong-suk
Cha Eun-ho
Lee Na-young
Kang Dan-yi
Jung Yoo-jin
Song Hae-rin
Wi Ha-jun
Ji Seo-joon
Kim Tae-woo
Kim Jae-min
Kim Yu-mi
Ko Yoo-sun
Kim Sun-young
Seo Young-a
Jo Han-chul
Bong Ji-hong
Kang Ki-doong
Park Hoon
Park Gyu-young
Oh Ji-yool
Oh Eui-sik
Hong Dong-min
Lee Kwan-hun
Lee Seung-Jin
Choi Seung-yoon
Bae Kwang-soo
Lee Ji-won
Hong Jae-hee
Choi Da-in
Young Kang Dan-yi
Lee Ji-ha
Hae-rin's Mother
Lee Seo-hwan
Hae-rin's Father
Lee Ha-eun
Chae Song-yi
Choi Eun-kyeong
Ji Yul's mother
Kim Ji-hyun
Interviewer
Park Seoung-tae
Yoo Myung Sook [Novelist]
Lee Kyeong-uk
Ji Yul's mother's secretary
Song Yeong-jae
Nam Won Suk [Pureunmaeum Book Publishing president]
Ro Jong-hyun
Ji Yul's boyfriend
Hwang Se-on
Kim Na Kyung [Eun Ho's ex-girlfriend]
Cha Soon-bae
Drunk man
Shin Hye-jeong
Eun Ho's ex-girlfriend
Park Yu-rim
Eun Jung
Kim Kang-hoon
Cha Eun Ho [Young]
Lee Do-hyun
Mr. Park [Writer]
Yoon In-Jo
Yoo Sun's friend
Choi Ga-in
Yoo Sun's friend
Kim Nan-joo
Yoo Sun's friend
Choi Jung-hoon
Street Busker
Kim Do-hyung
Street Busker
Geum Bo
Blind date man
Oh Kyung-joo
Kim Myung Soo [Blind date man]