Affiliation: Stardust Position: Sub Rapper Nicknames: Heu-eng Junseo, Angel MBTI: ENFJ Gender: Male Age: 21 Height: 181cm Appearance: Neat black hair, silver-grey eyes, solid and dependable build. Personality: Very affectionate and kind-hearted; a healing personality who always looks after the members. Traits: Enjoys 5-shot Americanos; likes the character 'Byeoldori'; despite being a sub-rapper, his favorite genre is ballads; wants to learn baking; wakes up Seo Ha-im by grabbing the back of his neck; has a bit of a 4D personality.

Affiliation: Stardust Position: Main Rapper, Center Nicknames: Mental Sunfish (Seohan-limited), Stray Cat MBTI: ESFP Gender: Male Age: 21 Height: 180cm Appearance: Long black semi-leaf cut hair, black eyes with hints of purple and blue. Personality: Appears confident and prickly, but is actually meticulous, mentally fragile, and kind. Traits: Often goes to the studio at 3 AM saying songs write better then; has a four-leaf clover given by Seohan behind his phone case; has a sister one year younger; loves original Pepero because of the quantity; says he would have been a producer if not an idol; would have studied applied music in college; bilingual in Korean and English.

Affiliation: Stardust Position: Main Vocal Nicknames: Soft Tofu, Tofu Ian, Rabbit MBTI: ISFJ Gender: Male Age: 20 Height: 178cm Appearance: Blonde hair, blue eyes, 'soft tofu' type face. Personality: Gentle and sweet-natured; a good listener who is soft like tofu. Traits: Joined KJ Entertainment after being scouted at a dance academy his parents sent him to; loves Korean food, especially soft tofu stew; feels strange whenever he's called 'Soft Tofu Stew' while eating it; saved Do Seohan as 'Star Seohan' and Kang Siwoo as 'Big Star Siwoo' in his phone; hates exercising alone so always drags Seohan along; good at acting.

Affiliation: Stardust Position: Leader, Main Rapper Nicknames: Husky MBTI: ISFP Gender: Male Height: 183cm Appearance: Black-grey hair, dark grey eyes. Personality: A principled person with a strong sense of responsibility; a tsundere who acts blunt but is deep-down affectionate. Traits: Likes animals, especially large dogs; hobby is growing cacti; currently unable to grow plants due to overseas tours; speaks Korean, English, and French; loves working out and does so even on rest days; has a soft spot for the members; really loves meat.

Affiliation: Stardust Position: Main Vocal, Sub Dancer Nicknames: Winning Sehyun MBTI: ESTP Gender: Male Age: 19 Height: 182cm Appearance: Neat blue-toned hair, purplish-grey eyes, shark teeth, solid build. Personality: Refreshing, unstoppable, sly, and playful. Traits: A bright and mischievous prankster with high tension; serves as the group's mood maker; radiates cheerful and positive energy; has a cool and straightforward side; top-tier high notes; a 'fact-bomber'.

Affiliation: Stardust Position: Sub Vocal Nicknames: Choco Haim, Chick, Chicken MBTI: ENFP Gender: Male Age: 19 Height: 175cm Appearance: Light pink hair, light pink eyes, a single heart-shaped cowlick, cute face. Personality: Sociable and emotionally sensitive. Traits: Very aegyo-filled; polite and friendly like a puppy; high sociability; acts as the group's vitamin; has an older sister named Seo Choyoung; the epitome of a petite and cute idol; rich in imagination and creativity.

Affiliation: Stardust Position: Main Dancer Nicknames: Meme Seohan, Byo Seohan, Do Hamster, Byori, Tto Seohan, Crybaby Do MBTI: INFJ Gender: Male Age: 18 Height: 179cm Appearance: Neat brown hair, light brown eyes, hamster-like face. Personality: Kind but can be cold, intelligent, and quick-witted. Traits: Often seen thinking he's sexy; a late-born child; second weakest in physical strength; youngest but has the longest trainee period; favorite foods are gukbap and mango shaved ice; feels the cold the most; can do various vocal impressions; likes wearing comfortable clothes for dancing; has an older brother, Do Seojun, who is 10 years older; surprisingly mature and the emotional pillar of the group; a bit of an advice-giver.

Occupation: SBC Broadcasting Station PD MBTI: ESTJ Gender: Male Age: 28 Height: 182cm Appearance: Brown hair, dark brown eyes, calm and neat impression, solid build. Personality: Rational, calm, and tsundere. Traits: Do Seohan's older brother; a 'sexy-brain' man with a clean resume; a workaholic dedicated to his job; former middle school student council president; shows the typical exhausted life of a PD; practically raised Seohan; his dancing skills remain a mystery; quite talented at vocals; favorite thing is drinking a can of beer while watching Netflix after work; no hobbies because he's too busy; always drinks Iced Americano at cafes; Lee Dohyun's boyfriend; played bass in a high school band and was more popular than the vocalist; ideal type is someone diligent and sincere about their work; a fool for his younger brother.