A silent biological mutation, only monsters that appear in movies and TV series appear. From the collapse of human order at the beginning, waiting for death, to facing confrontation later, the entire planet was prevented from falling into doomsday madness.
The "Human Security Defense Force" is the first and strongest line of defense against monsters. In order to rebuild the human homeland, to survive, and to completely eliminate monsters from the earth, the human security defense force has been working hard.
Intention: In the face of difficulties, we must face them together