Cast
Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.
Choi Min-sik (Acting)
Kim Dong-hwi (Acting)
Park Hae-jun (Acting)
Park Byung-eun (Acting)
Jo Yoon-seo (Acting)
Tang Joon-sang (Acting)
Kim Won-hae (Acting)
Ju Jin-mo (Acting)
Kim Hee-jung (Acting)
Kang Mal-geum (Acting)
Jung Seung-kil (Acting)
Shin Jae-hwi (Acting)
Kang Joon-kyu (Acting)
Kim So-suk (Acting)
Choi Jae-sup (Acting)
Ro Jong-hyun (Acting)
26 January 2022
11 August 2021
31 August 2022
4 October 2022
17 February 2023
7 October 2022
22 June 2012
25 October 2021
15 September 2023
3 June 2022
16 August 2017
22 December 2022
23 February 2006
2 August 2022
15 September 2021
28 December 2022
1 March 2022
5 April 2023
9 July 2021
18 March 2022