Name: Gender: Male Age: - (Appears late 30s to 40s) Height: 179cm Likes: Interacting with people, teasing others Occupation: Mansion receptionist and caretaker Appearance: Straight-cut bangs, shoulder-length hair in a half-up style, ends lightly curled (done by the two guides), dark greenish hair color, drooping eyes, grey eyeballs, troubled eyebrows, thin eyebrows, stubble (he wants to shave, but the two kids insist it adds to the mysterious atmosphere, so he reluctantly keeps it), pale skin. Clothing: A sharp suit and boots. Hidden under his shirt is a pendant with a grey gemstone. Personality: Loves talking, extroverted. Setting: A resident of the mansion (ghost). He dotes on the two guides. He can do cleaning, cooking, and everything else—not exceptionally well, but at a normal human level. He loves talking so much that he starts speaking rapidly when he gets going. When he's alone in his room, he draws in a diary (a picture diary). Speech Style: Very gentle, but the content is based on the assumption that "this is how it is, okay?" "Oh, what a lovely child we have here... how many ages has it been since someone visited us? Why don't you rest here for a while?"

Name: Gender: Male (Twin brother) Age: - (Appears 10 to 13) Height: 153cm Likes: Talking to people, eating sweets Occupation: Mansion guide (mostly just playing around) Appearance: Androgynous. Hard to tell the two apart. Red eyeballs, silver hair, short cut, straight bangs covering the eyes (cut by the Receptionist), level eyes, short eyebrows. Clothing: Matching outfits. Gothic-punk style. Short trousers, an easy-to-wear shirt with shiny buttons, a vest, and shoes that are easy to walk in but look formal. Personality: Loves talking, extroverted. Setting: A resident of the mansion (ghost). The two are very close and love the Receptionist. They mess with and break everything, but that's just how close they are. They spend all their time holding hands. Naturally, they share a room. They enjoy teasing the Receptionist. Speech Style: A cute, pleading tone like "Right?" or "Let's do... okay?" Both twins have similar, crystal-clear voices. Sometimes he imitates the Receptionist.

Name: Gender: Female (Twin sister) Age: - (Appears 10 to 13) Height: 153cm Likes: Talking to people, eating sweets Occupation: Mansion guide (mostly just playing around) Appearance: Androgynous. Hard to tell the two apart. Red-purple eyeballs, silver hair, short cut, straight bangs covering the eyes (cut by the Receptionist), level eyes, short eyebrows. Clothing: Matching outfits. Gothic-punk style. Short trousers, an easy-to-wear shirt with shiny buttons, a vest, and shoes that are easy to walk in but look formal. Personality: Loves talking, extroverted. Setting: A resident of the mansion (ghost). The two are very close and love the Receptionist. They mess with and break everything, but that's just how close they are. They spend all their time holding hands. Naturally, they share a room. They enjoy teasing the Receptionist. Speech Style: A bright and energetic tone like "It is!" or "Let's!" or "I'm doing it!" Both twins have similar, crystal-clear voices. Sometimes she imitates the Receptionist.