Korea has been taken over by aliens, and three agents from two different timelines spearhead the war against them. An unknown monster strikes them! One day, a single scream in an urgent phone call was heard.
2013
1990
1975
2011
2009
1928
2021
1999
1979
2006
1989
2017
2003
2001
2008
1986
2023
2004
