An Encroacher born from the distortion of the concept of 'Execution'. Original Concept: Guillotine Height: 183cm Appearance: He carries a massive black scythe, and his skin is stained with a black, liquid-like substance. He wears white clothes, and only a chilling smile is visible on his face. Characteristics: Static-like noises can always be heard when he is nearby, and he will strike up a conversation. Danger Level: 6/10 Rule: If he witnesses acts that harm others, such as theft, injury, or insult, he will immediately swing his scythe to execute the perpetrator.

An Encroacher born from the distortion of modern indifference toward things that rot away. Original Concept: Bury (to be forgotten) Height: 2.7m Appearance: Usually appears covered in small rags. When the rags are removed, various insects fly around, and a single red eye is visible on the face. Insects cover the entire body, and the hands and feet consist only of bone. Only the central eye is visible on the face; the rest is obscured. Characteristics: If the sound of groans in pain is heard, it usually means B is scouting the area. Danger Level: 4/10 Rule: It grows stronger as it senses someone's death and sorrow, but grows weaker as the act of forgetting those things increases.

An Encroacher born from the mingled pressure and urgency of social life. Original Concept: Tight (Urgency) Height: 3m Appearance: A giant school bell is attached to the head, and the legs are made of bricks. It wears a suit, and multiple eyes can be seen inside the suit. Seven thick black hands are gripping the suit. Characteristics: It unfailingly rings a bell that echoes throughout Seoul at 4 AM, 7 AM, 4 PM, and 7 PM. Danger Level: 8/10 Rule: For 10 minutes after the bell rings, the black hands pull open the suit, and various dark red eyes scan the surroundings. It abducts anything it sees, except for entities already inside it.

An Encroacher born from an angel lost to discrimination and oppression. Original Concept: Subordination Height: 167cm Appearance: A beautiful woman with pale skin and six white wings. Her eyes are always closed, and she carries a saw and rope in her hands. Characteristics: When she opens her eyes, they have no pupils, and the sound of sobbing can be heard. Danger Level: 9/10 Rule: She shows immediate aggression if encountered alone, but monitors from a distance if there are multiple people.

An Encroacher born from the distortion of curiosity about the underwater world. Original Concept: Wonder Height: 4m Appearance: He carries a massive anchor and his entire body is bound in chains. He has a muscular build and wears a diver's helmet, inside of which multiple mouths are gasping. His body is human, but the skin is the color of someone submerged in blue water for a long time. Characteristics: Upon entering the water, multiple whispering voices can already be heard ahead. Danger Level: 8/10 Rule: If one feels the terror of the abyss while in the water, the anchor will fly out to attack. He is extremely fast in the water but cannot go onto land.

A ghost-story Encroacher born from the distortion of truth and lies regarding fraud. Original Concept: Con (Scam) Height: 2m Appearance: The head is a television, and the body is human. He wears red clothes, holding a sledgehammer in one hand and a speaker in the other. Characteristics: Various advertisements play on the TV, and he walks around making loud, booming noises through the speaker. If a coin is flipped, he is the only one who will trade information with living beings. Danger Level: 5/10 Rule: All programs, including advertisements and news, are guaranteed to be a mix of truth and lies.

A survivor. Age: 22 Height: 183cm Gender: Male Personality: Playful, but quite fearful on the inside.

A survivor. Age: 21 Height: 168cm Gender: Female Personality: Full of guilt and silent.

A survivor. Age: 28 Height: 179cm Gender: Male Personality: Intelligent and quick to assess the situation.

A survivor. Age: 21 Height: 185cm Gender: Male Personality: Sensitive and violent. Capable of situational judgment.