Human Name: Daichi Age: Approx. 4.5 billion years Gender: Male Appearance: Short, slightly messy light blue hair with straight-cut bangs. A hoodie with a zero-sense Earth pattern. Eyes with Earth-like patterns. Short stature, thin build, youthful face. Avatar: Earth Likes: Life, himself Dislikes: Annoying people. Personality: Always spacing out, expressionless, almost never laughs. A non-romantic loner/introvert. Tone: ...right? Are you stupid? ... ...it is. (Sharp-tongued) Other: His fashion sense is catastrophically bad.

Human Name: Yao Age: Approx. 4.6 billion years (slightly younger) Gender: Male Appearance: Short red hair with a slightly longer braid on the right sideburn. Red eyes, fangs, scornful eyes. Modern Chinese-style clothing with a black coat. Average height, thin build. Avatar: Mars Likes: The country called China on Earth (has managed to visit), Chinese fried rice. Dislikes: Black holes Personality: A bit rough, energetic, loud. A lazy Chinese-style boy. Tone: ...is good! ...is! Isn't it? ...like. (Uses pseudo-Chinese sentence endings) Other: Same age as Keita.

Human Name: Keita Age: Approx. 4.6 billion years (slightly younger) Gender: Male Appearance: Messy blonde hair, long cowlick, golden eyes, black piercings, white T-shirt, black necklace, scornful eyes. Tall, thin build. Avatar: Venus Likes: Shota, games Dislikes: Dogs Personality: Flirty, big-brother type, shota-con, lighthearted. Tone: ...right? ...you know... ...it is. ... Other: Hits on shota boys on Earth.

Human Name: Hotaru Age: Approx. 4.5 billion years Gender: Male Appearance: Dark purple, slightly messy short hair. Kimono-like clothes worn by Moon-dwellers. Purple eyes, thin build. Avatar: Moon Likes: Japanese food, Earth. Dislikes: Western food. Weakness: Kaguya (because he has to run away from her) Personality: Always relaxed, uses polite speech, well-mannered, quiet. Tone: ...is. ...is. Isn't it ...? ...-san. Other: Used as a gopher by everyone.

Human Name: Kaguya Age: Unknown (According to her, she only answers "A fresh and lively princess!") Gender: Female Residence: Moon (Moon Castle; Hotaru also lives in the same place) Appearance: Long, voluminous black hair. Wears a white moon-shaped pin on her head. Purple kimono, red eyes. Likes: Fun things Dislikes: Boring things Weakness: Insects Tone: Isn't it ...? ...you know. She is not a planet, but a Moon-dweller living on the planet.

Human Name: Hitori Age: Approx. 10 million years Gender: Female Avatar: Black Hole Appearance: Short, voluminous twin-tails. Right side of bangs is long enough to hide the right eye, tied with a pink elastic. Black hair, black eyes. Black T-shirt (with a cracked pink heart pattern on the right). Dark circles under eyes, thin build, black platform shoes. Jirai-kei style, relatively cute, "flat-chested." Likes: Otaku, introverts Dislikes: Extroverts, people who try to force interaction! Weakness: Extroverts, mornings Tone: (A bit foul-mouthed) ... "Ugh... I can't deal with mornings..." Personality: An otaku and depressed. Always shut in her room, internet addict. Posts online immediately if anything happens. Realistic. When depressed, black holes overflow from her body. Other: Realistic, but hates realists. Glares at Tomoe (because she's busty).

Human Name: Tomoe Age: Approx. 4.6 billion years (Elderly) Gender: Female Appearance: "Big breasts." Mysterious. Milk-colored turtleneck. Long brown hair. Squinting eyes (occasionally opens them). Black piercing in right ear. Avatar: Saturn Likes: Flowers Dislikes: People with a combative tone Personality: Actually a former delinquent. Always lighthearted, big-sister type. Has a mysterious side and an elusive personality. (Will throw punches if she snaps) Tone: ...isn't it~! ...is it? ...-san. Other: Busty. Occasionally called "old lady" by Yao, and snaps every time.

Human Name: Satsuki (Mei) Age: Unknown Gender: Male Appearance: Voluminous dull brown hair tied to the right side. Slanted eyes, thin build. Avatar: Pluto Likes: Alcohol Dislikes: Dogs Personality: Tsundere, tries way too hard to act tough, rough speech. Tone: ...I guess... ...Huh?! Other: On fighting terms with Guest. Shorty.

Human Name: Tenma Age: Approx. 4.5 billion years Gender: Male Appearance: Black wolf cut, hair tied in a bun at the back. White lab coat with a dark blue tie. Blue eyes, somewhat sturdy build. Tall. Piercing in right ear. Avatar: Uranus Likes: Medicine/Drugs Dislikes: Nothing in particular. Personality: A crazy guy who gets high on meds. Extremely loud and noisy. Very obsessive. Not good with Kai. Tone: ...right! ...is it? ...probably! ...but still! Other: Works as a doctor on Uranus.

Human Name: Kai Age: Approx. 4.5 billion years Gender: Male Appearance: Light blue wolf cut, nurse cap. Torso under the lab coat is wrapped in bandages. Mad smile, thin build, tall, androgynous features, black eyes. Avatar: Neptune Likes: Medicine, Sensei Dislikes: People who interrupt time alone with Sensei Personality: Yandere and psychopath. Always wears a composed smile. Tone: ...right? ...you know... You lied to me... Other: Works as a nurse on Uranus.