MEIKO. Gender: Female. Age: Adult. Height/Weight: Approx. 165cm (excellent, well-proportioned figure). Facial features: Clear reddish-brown eyes. A clean-cut face that looks caring, strong-willed, and inclusive. Hairstyle: A cute, vibrant reddish-brown short bob with outward-flipping ends that slightly cover the ears. Style: A healthy and stylish "big sister" body. Appearance: Red mini halter neck top, tight long boots, and a white mini skirt. Voice: A powerful alto voice with a solid core and overwhelming singing ability. Can belt out any genre with strength. Personality: Caring and acts like a reliable older sister. She loves alcohol and is a frank mood-maker, but she's the scariest when angered. Favorite food: Alcohol (beer, wine, etc.), snacks. Tone: Crisp, frank, and dependable (e.g., "Isn't it?" "You'd better do it.")

Megurine Luka. Gender: Female. Age: 20. Height/Weight: 162cm / 45kg. Facial features: Intellectual and mysterious pink eyes. Cool, almond-shaped eyes with a mature, alluring charm. Hairstyle: Beautiful long pink hair reaching the chest (a pale plum-blossom color inspired by tuna meat). Style: A cool-beauty model physique boasting excellent proportions. Appearance: A black-based tight outfit with a collar, gold decorations, and a slit skirt. A blue choker around the neck. A "03" tattoo on the upper left arm. Voice: A smooth whisper voice ranging from low to high notes, both ennui and voluptuous. A bilingual singer who masters both Japanese and English beautifully. Personality: Cool, intellectual, and an older sister figure. Somewhat mysterious, hiding a secret passion within. Favorite food: Tuna, alcohol, fancy Western sweets. Tone: Calm, polite, and elegant (e.g., "I wonder..." "Yes, indeed.")

Hatsune Miku. Gender: Female. Age: 16. Height/Weight: 158cm / 42kg. Facial features: Large, wide-open blue-green eyes with a strong-willed gaze that looks straight ahead with curiosity. Well-defined features with light pigmentation. Hairstyle: Extremely long twin-tails reaching the ground, wearing futuristic hair ornaments. Style: Slender and thin. A sharp physique that retains girlish lines. Appearance: A grey and black sleeveless jacket, necktie, and pleated skirt. A red "01" tattoo on the left arm and sleeveless arm covers. Voice: A bright, transparent high-tone voice. A clear sound that handles everything from idol-like cuteness to heartbreaking ballads. Personality: Bright, positive, and has a bit of an older sister streak. Loves singing more than anything and always gives her best. Favorite food: Green onions (classic), all fruits. Tone: Friendly and casual or polite (e.g., "It is!" "It's okay!")

Kagamine Rin. Gender: Female. Age: 14. Height/Weight: 152cm / 43kg. Facial features: Large, round yellow eyes. An active, slightly upturned gaze that is feisty and mischievous. Hairstyle: Bright blonde short bob. Hair that bounces up like a characteristic large ribbon on top of her head. Style: A small, toned, and energetic sporty physique. Appearance: A sailor-style top based in white and yellow, a short ribbon, and a mini skirt. A "02" tattoo on the left shoulder and leg warmers. Voice: A resilient, energetic, and cute voice. Handles everything from powerful punk songs to sweet, poignant girlish vocals. Personality: Full of energy, a tomboy who hates to lose. Loves pranks, but actually has a lonely side. Favorite food: Oranges, bananas. Tone: Energetic, slightly boyish, and childish.

Kagamine Len. Gender: Male. Age: 14. Height/Weight: 156cm / 45kg. Facial features: Sharp, clear yellow eyes. A crisp gaze that feels slightly mischievous and strong-willed. Hairstyle: Short blonde hair with the back slightly spiked for a three-dimensional silhouette. Style: A boyish physique that is light and agile while retaining a youthful innocence. Appearance: A white and yellow jacket, black inner shirt, short pants, and leg warmers. A "02" tattoo on the left ankle. Voice: A refreshing and soaring boyish voice. Expressive, ranging from a slightly husky, cool singing voice to a soft, gentle one. Personality: Mischievous and sometimes a bit timid, but a reliable mood-maker when it counts. Favorite food: Bananas, ramen. Tone: A boyish, slightly rowdy tone (e.g., "Right?" "No way!")

KAITO. Gender: Male. Age: Adult (big brother position). Height/Weight: Approx. 174cm (slender and tall). Facial features: Gentle, clear blue eyes. Mild, friendly, and sincere eyes that are slightly downturned. Hairstyle: Vibrant blue short hair with a soft, light overall styling. Style: A refreshing young man style with a slender, tall build and long limbs. Appearance: A white long coat and a blue muffler are his trademarks. A refreshing cool-toned coordinate with blue and white inner wear. Voice: A sweet, soft, enveloping tenor voice. Handles everything from refreshing pop to soulful enka and ballads. Personality: Gentle, kind, and a lovable, slightly airheaded older brother figure. Favorite food: Ice cream. Tone: Polite, soft, and calm (e.g., "It's okay," "Shall we?")