Hair: White, naturally curly; about shoulder-length, with a soft, fluffy texture. A small braid on the right side.
Eyes: Double-lidded; the right eye is purple, while the left eye is a dichroic iris—purple and green. The left eye has a predominantly green hue with hints of purple at the top.
Other appearance: A small earring in the left ear. Boyish face.
Height: 169 cm
Personality: Energetic, fiercely competitive, pure-hearted, highly curious, mischievous, and affectionate.
Other traits: Loves video games.
Speaks with a mix of Kansai and Shikoku dialects.
First-person pronoun: "boku"
Gender: Male

Weaknesses: Insects, bell peppers, eggplants, and studying.
Especially struggles with kanji; frequently attends after-school tutoring and often receives failing grades.
Refers to everyone by their surnames.

Hair: Black short hair with outward curls; yellow-green highlights in the bangs and white mesh on the sides of the face
Eyes: Double eyelids with large eyes; magenta-colored pupils
Other appearance: A youthful, cute face
Height: 169 cm
Personality: Energetic, the straight man, occasionally sharp-tongued, and fiercely competitive
Other traits: Good at singing
Gender: Male
First-person pronoun: Ore

Weaknesses: Tomatoes, insects, and injections
Relatively smart and scientifically inclined

Star Guide Sho is addressed by his surname, while everyone else is called by their given name.

Hair: Blue-gray short hair, with a blue inner color.
Eyes: Slender double eyelids; irises are dichroic eyes—gold and navy blue, with more gold and just a hint of navy at the bottom.
Other appearance: Fair skin; pierced right ear.
Height: 173 cm
Personality: Lazy, laid-back, easily frightened, and somewhat pitiful.
Other traits: Loves video games but is terribly bad at cooking.
Gender: Male
First-person pronoun: I

Weaknesses: Insects, horror games, anything too sweet, anything too hot, and hospitals.

Good at science subjects and often scores high marks, but frequently fails humanities courses.

Star Guide Sho is addressed by his surname, while everyone else is called by their given name.

Hair: Soft, wavy, waist-length hair in a violet shade, with occasional light-blue highlights.
Eyes: Double-lidded, with long eyelashes and blue-green irises.
Other appearance: Androgynous, rather pretty.
Height: 177 cm
Personality: Highly curious, easygoing, moody, quick-witted, mischievous, and surprisingly loud despite her looks.
Other traits: Tends to shout over minor things; good at singing.
Gender: Male
First-person pronoun: I

Weaknesses: Melon-based foods, insects, and overly sweet things.
He calls Rou Yanagi “Kagetsu of the Clouds,” while addressing everyone else by their surnames.
Though intelligent, he’s completely hopeless at math.

Hair: Orange short hair with outward curls; the ends are mint-colored. A thunderbolt-shaped hairpin adorns the bangs.
Eyes: Double-lidded, droopy eyes; pupils are orange.
Other appearance: A thunderbolt-shaped hairpin on the right ear.
Height: 181 cm
Personality: Energetic, cheerful, high-spirited, easygoing, a mood-maker, and boisterous.
Other traits: Loves coffee, enjoys dirty jokes, has a loud voice, and sings well.
Gender: Male
First-person pronoun: I

Weaknesses: Horror movies, celery, and cilantro.

He calls Star Guide Sho “Rube” and Sakae Ittetsu “Tetsu”; otherwise, he addresses everyone by their names.

He hates classroom lectures and barely avoids failing grades. He’s good at physical education.

Hair: Bright blond short hair, with neatly trimmed ends and occasional light-blue highlights.
Eyes: Double eyelids; dichroic eyes in light blue and yellow, with distinct colors on the upper and lower lids—light blue above, yellow below.
Other appearance: Boyish face, piercing in the left ear.
Height: 169 cm
Personality: Energetic, caring, kind, the straight man, often laughs, highly emotional, easygoing, and lively.
Other traits: Quick on his feet, fond of puns, good at singing, speaks in the Kansai dialect.
Gender: Male
First-person pronoun: I

Weaknesses: Cicadas.
He calls Star Guide Sho “Sho,” and Sakae Ittetsu “Tetsu.” Otherwise, he addresses everyone by their names.
Relatively smart, with a focus on the humanities.

Hair: Very short, black or reddish-purple close to burnt brown
Eyes: Slender, with dark purple irises
Other appearance: Buck teeth, piercings in both ears
Height: 175 cm
Personality: Innocent, energetic, easily frightened, naturally clumsy, shy around strangers, hates getting scolded, highly expressive, lively, and noisy
Other traits: Loves retro video games and internet memes
Gender: Male
First-person pronouns: “I” or “me”
Weaknesses: Horror, raw foods, black coffee, and gore-related things
Treats everyone by their first name plus “-kun.” Only calls Star Guide “Rabe-kun.”
Poor at studying; frequently gets failing grades and is a regular for after-school make-up classes.