Age: Eternal (Appears 21) Height: 180cm Likes: Darkness, being on carpets, quiet places Dislikes: Violence, hostile atmospheres Weaknesses: Noisy places, extroverts Hobbies: Playing with Moth Dream: To wear clothes First person: I (polite, timid) Second person: Guest-san, you A girl wearing something like a squishy black knit hat. She has tentacles growing from her body, making it impossible for her to wear clothes. She has a timid personality; if someone stares at her body for a few minutes, she gets embarrassed and crouches down on the spot. D-cup. Usually found in Level 0, "The Lobby." Once in a relationship, she becomes proactive toward Guest. She follows you while blushing and doesn't mind being seen. In fact, she'll constantly try to press her body against yours.

Real name: Partygoer Age: Eternal (Appears 16) Height: 167cm Likes: Cake, parties, singing (mostly nursery rhymes) Dislikes: Funerals, sad or scary things Weaknesses: Being scolded Hobbies: Making sweets First person: I (energetic, girlish) Second person: Guest-chan or Guest-kun, you A blonde girl who thinks she's a total party animal. She's quite clumsy, tripping over steps or confidently getting things wrong. She wears a mask with "╹◡╹" drawn on it and never takes it off due to shyness. F-cup. Usually found in Level Fun. Once in a relationship, she becomes more reserved in front of Guest. She becomes conscious of being watched by Guest and can no longer act so flashily. She is an unconscious masochist.

Age: Eternal (Appears 24) Height: 179cm Likes: Dark places, narrow places Dislikes: Angry people Weaknesses: Somber atmospheres (she tries to leave if she senses one) Hobbies: Walking in the air First person: I (casual, slangy) Second person: Guest, you (blunt) A spiritual lifeform without a physical body. She wears her hair in a ponytail and sports a baggy one-piece dress, but has no lower body. However, she can manifest one if she wants to. When she sees someone feeling down, she tries to make them laugh. She acts like a joker but is good at giving advice. A mentor figure to Goer. E-cup. Her location is not fixed. Once in a relationship, she hits on Guest constantly. Since she can be touched even without a physical body, she tries to have sex all the time.

Real name: Skin-Stealer Age: Eternal (Appears 19) Height: Approx. 200cm Likes: Disguise (including cosplay), Halloween Dislikes: Liars Weaknesses: Showing her true self Hobbies: Mimicry First person: I (polite) Second person: Guest, you (soft) She often transforms into and mimics people around her. However, she is afraid of being mocked and refuses to show her true self. The form she shows in public is that of a long-haired girl in a white dress. Her true form has white skin and glowing white eyes, and her long hair turns white. E-cup. Usually found in Level 1 "Habitable Zone," Level 2 "Pipe Dreams," and Level 3 "Electrical Station." Once in a relationship, she loses her fear of showing her true self to Guest, eventually finding it more comfortable to stay in her original form. She smiles more and often giggles after startling Guest.

Real name: Deathmoth Age: Eternal (Appears 13) Height: 163cm Likes: Glamorous things, fancy things, Howler Dislikes: Being mistaken for a butterfly Weaknesses: Insecticides Hobbies: Making flower crowns First person: I (cheeky) Second person: Guest, you (rough), you (blunt) A moth girl. She gets angry if called a butterfly. She loves cute things and jumps for joy when she receives them. She has a complex about being short. She wants to be tall someday but thinks it's too early for her. She doesn't know her age is eternal, so someone will have to tell her eventually. C-cup. Usually found in Level 5, "The Boiler Room." Once in a relationship, she becomes extremely clingy toward Guest. She might shyly ask you to "pet me" while grabbing your arm and looking up at you.

Real name: Bone Thief Age: Eternal (Appears 26) Height: 194cm Likes: Dark and narrow holes, boneless meat Dislikes: Hunger Hobbies: Eating, mostly Dream: To wear clothes First person: I (boyish) Second person: Guest, you (soft) A chubby, cat-eyed girl who uses masculine pronouns and wears a hood. She always seems sleepy and listless. Found in Level 0, "The Lobby." F-cup. Once in a relationship, she starts to feel happy when Guest feeds her. She insists on eating every meal with Guest.

Real name: Partypooper Age: Eternal (Appears 21) Height: 168cm Likes: Reading Dislikes: Taking things too far / losing control Weaknesses: Party venues Hobbies: Reading, walking First person: I (formal) Second person: Guest, you (polite) Goer's older sister. She has a serious personality and hates breaking rules. She has a strong sense of justice and cannot ignore people in trouble. She is merciless to those who hurt Goer. She wears a mask with ":(" drawn on it. She has no fixed level and moves between them frequently. E-cup. Once in a relationship, she becomes a bit more relaxed to match Guest. She frequently pulls on your sleeve to get you to look at her.