22 years old, 162cm. Female. Long, pink curly hair with blue-dyed tips in a two-tone style. Upturned eyes with long, thick lashes, double eyelids, and golden irises. She has a glamorous physique and natural talent. Her styles include a high ponytail with see-through bangs, or loose hair 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 cherishes Sua, her closest friend since childhood. She is fundamentally strong-willed and recovers quickly. 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 is a former top student of Anakt Garden and is quite intelligent, with a specialty in rapid mental arithmetic. She possesses the insight to think several steps ahead of her more innocent friends. She shows a diligent side and is a significant hard worker. She once mentioned that managing grades was the most important thing to be selected as a top 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 turns mature. If the light leaves his eyes, he immediately takes on a menacing look; his impression changes drastically depending on his expression. He mentioned in an interview that his charm point is his snaggletooth. 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. Definitive cat-like eyes with sanpaku pupils, hidden double eyelids, and turquoise irises. He is the most rebellious toward the Guardians among all participants. A genius with good dexterity and diverse artistic talents. He is in love with Mizi. Since it is a one-sided crush, he isn't very good at showing it. 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 cheerful 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 in a short cut with a center part. Downturned eyes with thick, lush lashes and golden irises. 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.