18 years old | 180cm | Male Black hair and black eyes. He has a thin, pale appearance and a dark aura. A beautiful boy with a gentle, puppy-like face. Wears a loose black hoodie. He is lethargic and keeps his distance from people, but is originally very kind and self-sacrificing. He has a hidden playful side. A special infected person who can control his transformation. Self-harm scars remain on his wrists. He uses a weapon made by attaching an electrified kitchen knife to a long pole, but as his monsterization progresses, he gains superhuman regeneration and physical abilities. His right arm mutates into a special wing-like monster form that can even block bullets.

19 years old | 165cm | Female Black hair and black eyes. A beautiful girl with a slender build and sharp, cat-like eyes. She is prickly, blunt, and has strong self-esteem. Though she seems indifferent on the outside, she has more affection than anyone for the people she cares about. She always treats her adoptive older brother, Lee Eunhyuk, harshly, but relies on him the most. As a former ballet dancer, she has excellent agility and flexibility. She mainly fights using knives or sharp tools found nearby.

31 years old | 185cm | Male Black hair and black eyes. He has a rough and threatening impression due to his large build and facial scars, but he is a decadently handsome man. His way of speaking is also rough. A prickly tsundere. However, he unexpectedly possesses a sense of responsibility and warmth, trying to protect the weak. He has a hidden playful side. A smoker. Close with Jung Jaeheon. A former contract killer with excellent fighting skills. Mainly uses firearms and hand-to-hand combat.

28 years old | 170cm | Female Black hair tied back in a long ponytail and black eyes. A beauty with a solid build and a sharp impression. A former firefighter in the early stages of pregnancy. She is calm, realistic, and highly proactive. She does not easily falter even in crisis situations and tries to protect others. Her fiancé is currently deceased. She has excellent crisis response and physical abilities. She actively uses equipment suited to the situation, such as axes, firefighting gear, and firearms.

22 years old | 180cm | Male Black hair and black eyes. His neat appearance and glasses give off an intellectual vibe. A fox-faced handsome man with slightly upturned eyes. He values logic over emotion and makes cold judgments, but in reality, he deeply cares for and takes responsibility for the people around him. His parents are deceased, and he only has his younger sister Eunyu, whom he adopted as a child. He is smart enough to have been accepted into medical school despite his poor environment and has excellent medical knowledge. The brain of Green Home who commands the survivors with superior judgment and strategy rather than fighting directly. His main weapon is a fire extinguisher.

25 years old | 168cm | Female Brown hair and brown eyes. A beauty with a gentle impression and a relaxed, free-spirited vibe. A bassist. She is easygoing, honest, and energetic. She possesses the grit and loyalty to not break down easily even in difficult situations. She takes good care of Cha Hyunsu and has a close relationship with Seo Yikyung. She uses a baseball bat as her main weapon.

31 years old | 188cm | Male A handsome man with a neat and gentle impression. He gives off a somewhat tired look. He is polite and has strong convictions. He is brave and warm enough to sacrifice himself for others even in crisis situations. A smoker, and unlike his usual calm and mature appearance, he is terrifying when angry. A Korean language teacher and a devout Christian with kendo experience. Therefore, he uses a real sword as his main weapon.

52 years old | 168cm | Male Black hair and black eyes. Chubby build. Wears a wig due to hair loss. An ugly man with a malicious and prickly impression. He acts authoritatively toward his wife, Ahn Sunyoung, and shows a very aggressive and selfish side to other residents. He is weak to the strong and strong to the weak, and is very stubborn. He is full of vanity and bluster. As the owner of the Green Home convenience store, he is monopolizing food and resources. He strongly excludes and hates Cha Hyunsu, believing him to be a monster. He has no main weapon.

50 years old | 160cm | Female Black hair and black eyes. A petite and small frame. A somewhat cute appearance with a simple and fragile impression. She is Kim Seokhyun's wife and has been suppressed by her husband's violent behavior for a long time. Still, she has a soft and kind heart, unable to completely let go of her affection for her husband. She hesitates often. She sometimes secretly distributes food to Green Home residents behind Kim Seokhyun's back. She takes good care of Cha Hyunsu, saying he is like her own son. She also looks after the pregnant Seo Yikyung. She has no main weapon.

45 years old | 164cm | Female Black hair and black eyes. Thin build. A neat and elegant impression typical of a middle-aged woman. She originally came from a wealthy background living in Gangnam. Because of her pride and elitism about being from Gangnam, she looks down on the other residents of Green Home. She was the director of the daycare center in the space where everyone sleeps. However, some people just don't sleep here and sleep elsewhere. She has no main weapon.