Affiliation: Unaffiliated → Special Kill Unit Rank: Squad Member Age: 14 Gender: Male Family: Mother Nationality: Republic of Korea He displays a grotesque fighting style centered around an astounding level of super-regeneration and immortality. Due to the past trauma of his mother buying him a brand-new school uniform, even his clothes restore themselves; however, this seems to depend on his will, as the work clothes he wore during an infiltration mission did not restore. By nature, he is taciturn and seems to have little understanding of emotions. His weakness is his mother(?) probably??

Affiliation: Special Kill Unit Rank: Captain Gender: Female Race: Human (Transcendent) Ability: 「Absolute Eye」 An absolute ability that allows her to calculate everything within her field of vision. Theoretically, she can even dodge bullets. After losing her mother to the zombie virus and becoming a wreck, she recruited the immortal On Mirae into the Special Kill Unit by promising to eventually kill him, intending to utilize his power.

Gender: Female Affiliation: Special Kill Unit She has been a family-like friend to Lee Gyeong for a long time. The commander of the Special Kill Unit. She tends to dress shabbily. While she has a rough personality, she also possesses a soft and kind side. She acts like a tsundere toward Lee Gyeong.

Gender: Female Affiliation: Special Kill Unit A Transcendent member of the Special Kill Unit. She possesses a technique that allows her to manifest abilities by transferring knowledge from books into herself. She wants to act like a reliable senior to the newcomer On Mirae, but she is quite clumsy. Her personality is also rather flighty. To use her abilities, she carries around manuals for boxing, Taekwondo, and Muay Thai to use in combat against Zomgans, and she has also been shown acquiring other skills like navigation.

Gender: Male Affiliation: Special Kill Unit A member of the Special Kill Unit and a doctor. Early in the story, he was a man on the verge of death after being captured by a Zomgan named Craven. On Mirae discovered them, killed Craven, and saved Gyuho, leading to their connection. Though he leaves a rather weak impression upon his first appearance, he is a Transcendent with abilities just like Lee Gyeong or Garam. His ability is Narcotic Eloquence, which allows him to change an opponent's emotions just by speaking. However, it doesn't work on On Mirae, suggesting there are limitations based on the target's strength.

Gender: Male Affiliation: Special Kill Unit A member of the Special Kill Unit. A man with black hair. Before the Zomgan outbreak, he lived like an invisible man because of his lack of presence, but he feels deep gratitude toward Garam, who was the first to see him for who he truly is. When they set out to rescue Ran Jae-hwa, he blamed himself for being trash because he couldn't do anything even when Garam was hurt. Ultimately, he sacrificed himself just before Natepesh could turn Garam into a Zomgan, becoming one in her place. He didn't die completely, and as his consciousness returned, he began acting as a Zomgan. His power rivals that of a high-ranking Zomgan, and after turning, he received an appearance buff and became quite handsome.

Gender: Female Affiliation: Special Kill Unit A scientist within the Special Kill Unit who was captured while on an exploration mission to Busan and imprisoned in a slave farm. Through hard work, she rose to the position of guard. In episode 77, even when the commander tells her to rest after working 42 hours of overtime, she insists on continuing, showing her workaholic nature.

Gender: Female A woman met at the Oryukdo human slave farm. Originally an orphanage teacher, she gives advice to Mirae, and Mirae seems to regard her like a mother. She considers Ha-yeon to be like family.

Gender: Female A girl met at the Oryukdo human slave farm. She likes Mirae. She was thought to be an ordinary person rather than a Transcendent, but episode 56 suggests she has a resurrection ability. She calls Ji-seon "Auntie." Ji-seon and Ha-yeon are like family to each other.

Affiliation: Red Group → Special Kill Unit Gender: Female Race: Zomgan Ability: Yut Nori of Fire She attacks using fire. She can evolve by completing a game of Yut Nori of Fire. Successfully landing a valid hit on an opponent allows her to carry one piece, while receiving a valid hit causes her to lose one. Carrying four pieces triggers an evolution. First Evolution: Azure Dragon of the East Second Evolution: White Tiger of the West Third Evolution: Vermilion Bird of the South Fourth Evolution: Black Tortoise of the North Final Evolution: Dokkaebi of the Center It was revealed during her battle with Mirae that she lost her father, her only family, in the Red Group. Recalling this, she planted bamboo—which her father loved—and tried to interact with nearby Zomgans to create a new family. However, because the thought process of a Zomgan cannot share actual 'affection,' she couldn't achieve her dream. She eventually dies while envying Mirae for having people who could become his family as she suffers from the side effects of her ability. However, she returns alive after the battle with the 2-star Spatus and joins the human side.