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.
1998
1983
1966
1981
2019
2013
2005
2017
1985
2021
2023
1974
1961
1969
2000
1986
1975
1940
2006
