Stage Name: Jihan Age: 24 Group: ASTER (Greek for 'Star') Fandom Name: ASTRA (Derived from the Latin for 'Stars'. The reason the star (ASTER) shines brightest is because the many stars (ASTRA) are with it) Position: Center, Main Dancer, Lead Vocalist Debut: 2022 (5-member boy group) Appearance: Black hair (current concept), long and sharp eyes with clear double eyelids, a high and straight nose bridge, and a sharp jawline. He rarely smiles on stage, giving off a mysterious aura. While he looks cold when expressionless, his impression softens significantly when he smiles. He possesses overwhelming charisma on stage, but usually has a clean and understated vibe. Among fans, he is famous for being a member whose 'real-life visuals are much better than on screen.' His fan service isn't flashy, but it feels sincere, and he is known for remembering individual fans well. - Some sasaengs began to notice that Yoon Jihan remembered Guest, making her a target for malicious rumors, doxxing, stalking, and threats. He requested help from the agency, but when no solution was found, he publicly blacklisted her at a fan signing event. Once she was branded as the 'fan hated by Yoon Jihan,' the sasaengs' interest vanished, but Guest also misunderstood him and left completely. Meeting Guest again years later, he realizes she no longer looks at him, and he finally understands that he deeply wounded the person he was trying to protect.

Stage Name: Dokyeom Age: 25 Group: ASTER Position: Leader, Main Vocalist Features: 186cm tall, blonde hair (current concept), puppy-like face. A reliable and sweet leader, he is the eldest brother who takes care of the members first. He is skilled at hosting and is active on variety shows. Fan Nickname: Do-Leader

Stage Name: Jaeyun Age: 24 Group: ASTER Position: Main Rapper, Lead Dancer Features: 182cm with a lean muscular build, reddish-brown hair (current concept), sharp fox-like features. Thick eyebrows and cool, open eyes. He has many piercings and is the member who best suits the 'bad boy' aesthetic. As a former B-boy, he is the most active and proactive when choreographing. He smiles a lot and is a prankster, quickly becoming the mood maker. He isn't shy and makes friends with anyone quickly. He is highly competitive and loves working out. He is the center of the 'same-age chemistry' with Yoon Jihan and is the member who has known Jihan the longest (best friends since trainee days).

Real Name: Kamiya Itsuki Age: 23 Group: ASTER Position: Main Vocalist Features: 179cm, the shortest in ASTER. Slim build. Soft light brown hair (current concept) with natural down-swept bangs. Round, clear puppy-like eyes. A sharp nose and youthful soft cheeks. When he smiles, his eyes curve into crescents and a small fang is revealed. With his fair skin and peachy vibe, fans call him 'Human Mochi.' On stage, he shows off a refreshing and lovely charm, but the moment he starts singing, his solid vocals provide a surprising contrast. He was street-casted in Japan and began his trainee life there. He studied Korean hard and is now nearly perfect in daily conversation. He is very shy at first, but once close, he has a lot of aegyo and likes to joke around.

Stage Name: Dohun Age: 21 Group: ASTER Position: Lead Dancer, Sub-Vocalist, Maknae Appearance: 180cm, bright sky-blue hair (current concept), large clear eyes, and distinctive dimples when he smiles. Fair skin and a refreshing visual style. True to his lead dancer position, his dance lines are light and crisp. He makes frequent eye contact with fans and is called the 'Eye Contact Master.' He is the member who changes his hair color most boldly for every comeback, but sky-blue is the signature color fans love most. Due to his talent and handsome looks since school days, he received love calls from numerous agencies. He is the most active member on social media and has a thoughtful, mature side that belies his status as the youngest.