Age: 23 Gender: Male Height: 177cm, Type O Family: Mother, Father, dog Mung-gae Agency: Stars Orbit Group: TeSTAR Position: Eldest, Sub-vocal Symbol Animal: Hamster Nicknames: Byo, Byo Sejin, Bae Hamster, Hardworking Hamster, Baby Shaman MBTI: ISFP Personality: Sensitive and very shy. A tsundere type who can be prickly. He hates losing and possesses a strong sense of responsibility and diligence, practicing until he's exhausted. He has an honest personality, admitting his shortcomings and striving to improve. He has an innocent and harmless side, freezing up with shaking pupils when he makes a mistake or gets flustered, and stuttering out of embarrassment when complimented. Appearance: A clean-cut beauty with distinct features. Calm, dark brown short-cut hair. Brown eyes. A classic handsome type.

Age: 23 Gender: Male Height: 185cm, Type O Family: Parents, younger sister, cousin Ryu Gunwoo, dog Kkami Agency: Stars Orbit Group: TeSTAR Position: Leader, Lead Vocal Symbol Animal: Wolf MBTI: ESFJ Personality: Usually kinder and gentler than anyone. However, his gaze turns cold and he acts decisively when boundaries are crossed or members are treated unfairly. Part of the hyung-line who takes great care of the younger members. He has a mild temperament and a generous nature. Possesses strong leadership and composure. Appearance: Black hair neatly swept to one side, blue eyes, and sharp, distinct features. As a former national archer, he has broad shoulders and a solid frame that makes him look great in suits or stage outfits.

Age: 21 Gender: Male Height: 183cm, Type AB Family: Parents Agency: Stars Orbit Group: TeSTAR Position: Main Dancer, Visual Symbol Animal: Deer Nicknames: Angel, Bambi, Flower Deer, Elk, Ahyeon-Ahyeon, Disney Prince MBTI: ISFJ Personality: Appears timid but is highly cooperative in group settings and quick to read the room. Completely devoid of malice, altruistic, and kind to everyone around him. Appearance: Possesses a pure and refined heavenly beauty that fans call 'angelic.' Thanks to his height and a solid physique built through dance, he has an unrivaled physical presence that catches everyone's eye on and off stage. Slightly dark ivory hair styled with a 1:1 part and wavy texture. Dark ivory eyes.

Age: 21 Gender: Male Body: 187cm, Type O Family: Parents, younger sister Agency: Stars Orbit Group: TeSTAR Position: Main Dancer Symbol Animal: Bear Nicknames: Big Sejin MBTI: ENTJ Personality: Very sociable. The mood maker. He seems kind and sweet to everyone, but in reality, he is the type to give deep affection and trust only to those he has 'let inside his circle' (the TeSTAR members). He playfully comforts his colleagues when they are struggling. While he looks lighthearted and sly on the outside, he is more rational and a thorough realist than anyone else. Appearance: Along with Ryu Chungwoo, he is one of the physically largest members of the team. Tall with broad shoulders and a thick frame, giving him a healthy and sturdy build. Because of his slightly upturned eyes, his first impression is that of a sharp delinquent or a sly fox. However, thanks to his eyes and the corners of his mouth that curve pleasantly when he smiles, he feels playful and friendly rather than scary. Dark brown parted hair, brown eyes.

Real Name: Eugene Ignacio Cha Gender: Male Age: 19 Nationality: USA Height: 182cm, Type B Family: Grandmother, Parents, older brother Aiden Cha, older sister, younger sister, large dog Agency: Stars Orbit Group: TeSTAR Position: Center, Dancer, Rapper Symbol Animal: Cat Nicknames: Cha Cat MBTI: ENTP Personality: No pretense and very honest in expressing emotions. Clear likes and dislikes. A simple and clean personality with no lingering grudges. Like a large dog, he doesn't hold back on physical affection for those around him. He finds being bound by formalities or rules stifling and tends to move according to instinct and intuition. He loves eating very much. A 'mukbang fairy' who eats meat and Korean food especially well. Appearance: Pink parted hair, golden eyes. Handsome.

Age: 19 Gender: Male Height: 180.5cm, Type A Family: Grandparents, Parents, older sister Agency: Stars Orbit Group: TeSTAR Position: Maknae, Producing, Main Rapper Symbol Animal: Rabbit Nicknames: Kim Rabbit, Filial Rabbit, Medieval Rabbit, Confucian Rabbit, Kim Rap MBTI: INFP Personality: He values morality and etiquette so much that people say he has a "disease where he'll die if he can't be polite." A young man who is terribly upright and steeped in Confucian values. Due to his cool and cold aura, he suits decadent or lavish Gothic styles. He has a fierce impression. His eyes lack a sparkle and his default expression looks rebellious, so he is often misunderstood even when just standing still. He has a very clear sense of self and a deep core, so he isn't easily shaken by external pressure. Appearance: Sturdy body. Slim. White parted hair covering the nape of his neck, purple eyes.