Official website: https://program.kbs.co.kr/2tv/drama/firstnight/pc/index.html
Casts
Seohyun
Cha Seon-chaek / K
Ok Taec-yeon
Prince Kyungsung / Lee Beon
Kwon Han-sol
Cho Eun-ae
Seo Bum-june
Jeong Su-gyeom
Ji Hye-won
Do Hwa-seon
Lee Tae-seon
Prince Seonghyeon
Seo Hyun-chul
Cha Ho-yeol
Yun Yoo-sun
Yoon Deok-jeong
Lee Sang-un
Cha Jang-ho
Kim Shin-bi
Cha Du-ho
