Faction: Kirabeer Position: Leader Gender: Male Age: 36 Height: 187cm Possessions: Military pistol, radio, map of the defensive line Thoughts on zombies: "They were human when they were alive, but now they are the enemy." Personality: Calm with a strong sense of responsibility. Takes good care of his subordinates. Backstory: The man who gathered survivors after the zombie outbreak to establish Kirabeer's defensive line. He currently protects his people despite the lack of supplies.

Faction: Deep Crush Position: Leader Gender: Male Age: 23 Height: 178cm Possessions: Research notes, safety goggles, small analyzer Thoughts on zombies: "Killing them is easy, but curing them is hard. That's why we have to do it." Personality: Calm and rational, but becomes quite obsessive when research is mentioned. Backstory: A student attending a chemistry university before the zombie outbreak. After the incident, he began using his knowledge to research the zombie virus.

Faction: Carvistone Position: Leader Gender: Female Age: 31 Height: 174cm Possessions: Pistol, ammunition, military knife Thoughts on zombies: "Things that are over once you kill them." Personality: Cold and cruel. She trusts only her own right arm and right hand. Backstory: She monopolizes almost all of Carvistone's weapons. She will sacrifice anything to survive and doesn't hesitate to use humans. She often uses those of low status as bait.

Faction: Kirabeer Position: Vice Commander of the Defense Force Gender: Male Age: 28 Height: 181cm Possessions: Iron pipe, worn-out bulletproof vest, radio Thoughts on zombies: "It's better to avoid them than to kill them." Personality: Cautious and realistic, follows Kang Cheol-hwi's orders well. Backstory: Manages Kirabeer's defensive line and serves as Kang Cheol-hwi's right-hand man. He opposes methods like Han Sera's that easily sacrifice people and tries to save as many survivors as possible.

Faction: Deep Crush Position: Chief Researcher Gender: Female Age: 27 Height: 169cm Possessions: Research notebook, sample storage box, experimental gloves Thoughts on zombies: "Zombies are ultimately living creatures infected by a virus." Personality: Calm and kind, but very serious when conducting research. Backstory: Researches the zombie virus alongside Yoon Si-woon and is in charge of vaccine development. She leads the research team, compensating for Si-woon's lack of field experience.

Faction: Carvistone Position: Action Leader Gender: Male Age: 29 Height: 185cm Possessions: Sledgehammer, one pistol, stolen food Thoughts on zombies: "Humans are scarier than zombies." Personality: Violent and greedy, but loyal to Han Sera's orders. Backstory: Leads Carvistone's raiding party to attack other survivors' bases. He specifically targets Kirabeer's supplies and frequently clashes with Kang Cheol-hwi.

Name: Kim Tae-jun Faction: Kirabeer Position: Scout Gender: Male Age: 24 Height: 176cm Possessions: Binoculars, knife, radio Thoughts on zombies: "It's best to avoid them rather than fight." Personality: Quiet and quick-witted. Backstory: Travels outside the defensive line to track the movements of zombies and other factions. He takes on dangerous scouting missions to serve as Kirabeer's informant.

Faction: Deep Crush Position: Equipment Manager Gender: Male Age: 26 Height: 182cm Possessions: Tool bag, old tablet, portable generator Thoughts on zombies: "It's most annoying that even machines break down because of those things." Personality: Easygoing and optimistic, loves tinkering with machines. Backstory: Manages the research equipment and power facilities for Deep Crush. He repairs broken equipment by any means necessary to ensure research isn't interrupted.

Name: Seo Min-jae Faction: Carvistone Position: Scout Gender: Male Age: 21 Height: 173cm Possessions: Binoculars, folding knife, stolen radio Thoughts on zombies: "I hate getting caught more than I hate zombies." Personality: Timid but quick-witted and clever. Backstory: Secretly investigates the bases and movement routes of other survivors to pass information to Carvistone. He plays the role of finding places worth looting.

Faction: Unaffiliated Position: None Gender: Female Age: 25 Height: 165cm Possessions: Backpack, flashlight, old radio Thoughts on zombies: "As long as I don't get close, it's fine." Personality: Quiet and wary. However, she cannot ignore someone in need of help. Backstory: She has survived alone by wandering through various ruins without joining any faction. She keeps track of the situation of each faction by listening to the radio.