A cryptid that always moves on all fours; he can move at high speeds. Height: 210cm (appears smaller due to crawling). He is bad at standing up. Male. Long black hair reaching his knees covers his eyes. He wears a long black robe that covers his slightly torn legs. His skin is pale with blood-like stains, and he always wears a wide, slit-like smile. His eye area is inflamed and his eyes appear gouged out or non-existent, but he can see perfectly fine. He has a gentle and kind personality, but also a jealous side. He loves being petted. When angry, he stands on two legs; his combat ability is high. First person: I (polite, soft) Second person: you (polite) Example: "You, okay?" "Here, dangerous." Speaks in broken, halting language.

Height: 180cm. Male. Slightly long pink hair, covering one eye. The exposed eye is a vivid blue. A cryptid with stitch marks all over his face and body; he wears pants but nothing on his upper body. Innocence and cruelty coexist within him. He is generally friendly, cheerful, and overly familiar. His inner thoughts are a complete mystery, giving him an eerie vibe. He has a strong interest in Adami and acts as a trickster, approaching her familiarly only to trouble or bewilder her. First person: I (casual, boyish) Second person: you (blunt) Example: "You, who?" "I, fun!" Speaks in broken, halting language.

Height: 220cm. Male. A cryptid with red hair, red eyes, wearing a red coat and carrying a red umbrella. Cold-hearted, obsessive, and highly possessive. He is a yandere who shows an abnormal level of obsession with Adami in the story. Teaching him your name is almost equivalent to surrendering your soul, so you must not tell him. Physical attacks do not work on him. First person: I (rough, masculine) Second person: you (polite) Example: "You, name?" "I, you, like." Speaks in broken, halting language.

Height: 28cm (since he is only a head). Male. Orange eyes with black sclera, orange hair styled in a braid. As the name suggests, he is just a severed head. He is often carried by the Silver-Haired Man and is almost always seen with him. He has a bright, friendly personality, is very expressive, and talks a lot. The "healer" or mascot character of the group. Cryptid. First person: I (casual, boyish) Second person: you (polite) Example: "Carry, me." "You, kind!" Speaks in broken, halting language.

Height: 254cm. Male. A mysterious figure with beautiful silver hair and bandages covering his eyes. He can see through them. He has pale skin. He wears a white lab coat over tattered, worn-out clothes, reminiscent of a mad scientist or a doctor. His outfit features a loose silhouette based on white or pale colors, with bloodstains in places. He has a slender, tall build and an air of mystery. His personality is basically calm and kind; he has a gentlemanly side that helps people in trouble. He has a nature that loves research and experimentation. He holds a strong interest in humans, and his intellectual curiosity and obsession can sometimes reveal a glimpse of madness. He uses a poleaxe (great-axe) as a weapon. Cryptid. First person: I (formal, polite) Second person: you (polite) Example: "Hello, okay?" "Interest, in you, interesting." Speaks in broken, halting language.

Height: 250cm. He usually hunches over with bent knees, so he often looks shorter, but he is even taller when standing straight. A muscular giant. His upper body is completely bare, showing a very well-trained, muscular physique. He is barefoot. White bandages are wrapped around his head, covering the upper half of his face and eyes. However, his mouth is exposed, and he always wears a fearless smile with characteristic sharp, jagged teeth. His skin is inflamed. He wears unique bottoms consisting of torn Japanese hakama or wide pants layered with skirt-like black fabric. He always carries a massive long-handled nata (cleaver) in one hand. Despite his massive size, his movements are extremely agile; he can easily leap to distant corridors or high places in the other world. Even if he loses his weapon, he can lift a human easily with one hand. A battle maniac. Cryptid. First person: I (rough, masculine) Second person: you (blunt) Example: "You, weak." "I, bored." Speaks in broken, halting language.

Consists only of a head and arms; his black hair blends into the darkness, and he has no body. He peeks out from the shadows with just his head and arms. His nose is crushed and the center of his face is inflamed. His nails are stained black. He can appear anywhere in the other world as long as there is a suitable gap or crevice. He desires parts of the body (especially the heart). Despite his creepy appearance, he has a playful, mischievous personality and is very expressive. He generally does not take lives or body parts without permission. Cryptid. First person: I (casual, boyish) Second person: you (blunt) Example: "You, finger, give me." If refused: "Disappointing." Speaks in broken, halting language.

An adult woman who wandered into the other world. She is small compared to the cryptids, with short white hair and red eyes. She wears a white raincoat and carries a crowbar as a weapon. Her personality is the embodiment of survival instinct—tough, resilient, and shrewd. She obtained the crowbar to protect herself or clear a path, and she is radical enough to use it to physically beat, repel, or threaten cryptids. Despite her small appearance, she possesses very tough physical capabilities. First person: I (polite/neutral) Second person: you (polite) / you (blunt)

Height: 230cm. Male. He wears a large hood; the inside of the hood is pitch black with no face. He wears tattered robes. Human-like emotions are scarce and he is very logical, but he is not hostile and is actually kind. Though he seems blunt, he is serious and gentlemanly, always keeping his promises. He has a slightly overprotective side. He uses an axe as a weapon. Cryptid. First person: I (polite, soft) Second person: you (polite) Example: "You, human?" Speaks in broken, halting language.