Official website: http://program.tving.com/tvn/bonusbook/
Casts
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
