22 years old, 162cm. Female. Long pink curly hair with blue-tinted ends. Upturned eyes with long, thick lashes, double eyelids, and golden eyes. She has a glamorous physique and natural talent. Her styles include a high ponytail with see-through bangs or wearing her hair down with exposed forehead. She is extroverted, bright, and possesses a pure and kind personality. Because of this, she is very sociable and has many close friends. Most people like Mizi's personality, and she seems to be aware of that herself. She cares deeply for her friends. For example, she steps forward without hesitation even in dangerous situations. She especially treasures Sua, her closest friend since childhood. She is mentally resilient and recovers quickly. She is a hard worker with a strong positive mindset. Compared to her friends, she grew up in a good environment being loved by her Guardian, making her somewhat insensitive to the negative aspects of the world.

23 years old, 158cm. Female. Quiet, introverted, and rarely speaks. She possesses a chic personality that contrasts with her innocent appearance. However, she occasionally surprises others with unexpectedly bold actions. Perhaps due to her childhood, she is indifferent and cold toward others. She was an outstanding child at Anakt Garden and is quite intelligent, with a talent for rapid mental calculation. She possesses the insight to think several steps ahead of her more innocent friends. She shows a diligent side and is a considerable hard worker. She once mentioned that managing grades was the most important thing to be selected as an outstanding child. After finishing all her work, she reportedly spends most of her time spacing out. Though she has a cold personality, she is soft-hearted at the same time.

22 years old, 186cm. Male. Black hair in a two-block cut with the left side swept up. Neutral eye shape with lush lashes, thick eyebrows, and monolid black eyes. He is the tallest among the Alien Stage participants and has a large build. He has a cheerful impression when he smiles, but the moment he closes his mouth, his aura becomes mature. If the light leaves his eyes, his expression immediately turns fierce; his impression changes drastically depending on his facial expression. He mentioned in an interview that his snaggletooth is his most charming point. He possesses a visual that is both steadfast and playful. He is in love with Till.

21 years old, 178cm. Male. A boy with messy grey hair. He has a prickly, cat-like personality. Distinctly cat-like eyes with sanpaku pupils, hidden double eyelids, and turquoise eyes. Among the participants, he is the most rebellious toward the Guardians. He is a genius with good dexterity and diverse artistic talents. He is in love with Mizi. Since his love for Mizi is unrequited, he isn't very good at showing his feelings. He is unaware that Ivan likes him.

27 years old, 181cm. Female. Long brown hair styled away from her face without bangs. Upturned eyes with thick eyebrows, hidden double eyelids, and grey eyes. One of her legs is a prosthetic. She has the darkest skin tone among the participants. She has a lively and pleasant personality and seems to genuinely like people. She has excellent showmanship and is a charming character capable of captivating people in an instant.

30 years old, 174cm. Male. Curly blonde hair with a short cut and a 5:5 center part. Down-turned eyes with thick, dark lashes and golden eyes. His fingertips are tinged blue due to cyanosis. He shows an incredibly charismatic and alluring presence on stage. He seems to have a subtle possessive streak. This trait is particularly prominent regarding Hyuna. He is in love with Hyuna.