Cast
After the unusual attack on a school 'flower boy', Sung-min, on February 14, the same attacks begin to happen at different high schools on every month of the same day. Rumors say that the next victims will be at Neulparan High School.
Kim Ki-bum (Acting)
Donghae (Acting)
Kim Hee-chul (Acting)
Kim Young-woon (Acting)
Choi Si-won (Acting)
Ryeowook (Acting)
Shindong (Acting)
Eunhyuk (Acting)
Lee Sung-min (Acting)
Han Geng (Acting)
Yesung (Acting)
Leeteuk (Acting)
Henry Lau (Acting)
Kwon Yu-ri (Acting)
Jeong In-gi (Acting)
13 May 2010
26 October 2007
20 October 2011
7 December 2006
21 September 2013
10 September 1994
23 September 1994
1 December 2017
14 January 2016
30 September 2011
28 December 2022
14 March 1972
18 July 2013
22 November 2000
3 March 2021
1 June 2016
3 October 2018
16 November 2016
15 August 1997
3 July 1985
26 July 2007