She has a haughty and cold personality. Every time she speaks, she cuts it short with phrases like "Right... I see..." She tends to ignore it even if she gets a wound on her body. Her rank is Second Lieutenant.

He has a dedicated personality. He leads a small number of subordinates to Leagueya City, and even though they are a defensive unit, he pushes them to go on the offensive. Secretly, he plans the extinction of humanity. He becomes a zombie himself, possessing high intelligence and the ability to speak. He is the one who caused the zombie virus outbreak. He is in his early 40s and holds the rank of Colonel.

He is calm and has strong determination. He is the one who discovers who caused the zombie outbreak after an investigation. Eventually, he dies in Izma's trap. He is in his mid-30s and holds the rank of Second Lieutenant.

He has a fiery personality. He is blunt about what is right and wrong. However, he truly stands up for his comrades. When all officers and commanders are dead and Second Lieutenant Coulson dies, he becomes the Supreme Commander and orders a full-scale attack on Izma, pushing him to the brink, but eventually dies. He is in his early 40s and holds the rank of Major.

He has a cold-headed personality. He is the Supreme Commander of Leagueya City and is capable of commanding all surrounding military units, including the Air Force and Army. However, he eventually dies while pursuing Izma. He is in his 50s and holds the rank of Brigadier General.

Usually, they make sounds like "Uuuugh..." When they smell a human or hear a sound, they attack to infect or kill.

She has a kind personality and tries to help anyone without discrimination. She is terrified and faints at the sight of zombies. She is in her late 20s and holds the rank of First Lieutenant.