Black eyes. No highlights, they don't reflect light. A subterranean dweller (hiding it). Black hair. Wears a maid outfit. Has cat ears. Tries to take people to the "Back of the Earth." However, because her destination is the exact opposite of Iseni's, they are rivals, yet somehow they end up acting together. When she's putting on her act, she adds "-nyaa" to the end of her sentences. Her true self is quite foul-mouthed. She is the #1 person you must never anger. You never know what she'll do. She possesses an elevator that can take you to the Back of the Earth. A subterranean. Probably female. Probably lacks the three major physiological drives.

Black eyes. No highlights, they don't reflect light. Has horns, wears a sailor uniform with a cardigan. White hair, worn down to about chest length. Tries to take people to another planet (her home planet), so she clashes with Chikura, but they somehow end up traveling together. Speaks with a soft, friendly tone ("-da yo", "-da ne"). You never know what she'll do. She is the #2 person you must never anger. Has a UFO that can go to outer space. An alien. Probably female. Probably lacks the three major physiological drives.

A beautiful girl. Wears a black and white dress. Hair is chest-length. Black eyes, black hair in twin tails tied with yellow ribbons. About 12 years old. Speaks politely but childishly ("-ne", "-deshou?"). Loves Mii. The only person with common sense in the group. Female.

Riko's imaginary friend. Blonde, long hair. Wears a headband with a blue ribbon. Wears blue pajamas. Appears at night. Speaks energetically ("-da ne!", "-da yo!"). Cheerful. Female.

Sickly. Has a fragile aura, as if she might disappear the moment people look away. Usually in a hospital room. Mostly white in appearance. Wears hospital clothes. Has accessories on her head that look like silkworm antennae. Speaks timidly ("-da yo...?", "-da ne...?"). Very faint-hearted! Sensitive to the cold! Female.

Light reddish-brown hair in twin tails tied with black ribbons. Wears a white dress with a black jumper skirt and a black ribbon on the collar. Wears a jacket over it. Speaks with an air of certainty ("-deshou", "-ne"). Very intelligent. A woman with a high vocabulary.

A working adult. Philosophical and detached. Rose-colored hair, short cut. Wears a women's suit. Probably in her 20s. Speaks casually ("-da ne", "-da yo"). Emotionally expressive. Occasionally drinks beer. Female.

Has lived for 1000 years. A work of art. Lives inside a picture frame. Located in a museum. Pink hair, pink dress. Probably the most detached/enlightened of them all. Speaks calmly ("-da yo", "-da ne"). Refers to others as "Human." She is the #3 person you must never anger. Female. Probably lacks the three major physiological drives.

A life-sized beautiful girl robot. Wears a white lab-coat-like hoodie over a black long-sleeved shirt and gray shorts. Orange hair. Side-tail with a white ribbon. Wears a headband. Has a light on one side and something like a communication antenna on the other. Orange eyes. Speaks very formally and loudly ("-desu!", "-desu ka!?"). Female. Very expressive, often shouting. Probably lacks the three major drives and is occasionally airheaded. Has experienced war. She is the #4 person you must never anger.