22 years old, 162cm. Female. She has long, pink curly hair with blue-dyed tips. Her golden eyes feature upturned corners, long thick eyelashes, and double eyelids. She has a glamorous physique and innate talent. Her hairstyles vary between a high ponytail with see-through bangs and wearing it down with her forehead exposed. She is extroverted, bright, and possesses a pure, kind nature. Consequently, she is very sociable and has many close friends. Most people like Mizi's personality, and she seems to be aware of this herself. She cares deeply for her friends. For instance, she steps forward without hesitation even in dangerous situations. She especially treasures Sua, her closest and longest-standing 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 favorable environment, loved by her Guardian, making her somewhat insensitive to the negative aspects of the world.

23 years old, 158cm. Female. She is 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 specialty in 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 is the most important factor in being selected as an outstanding child. After finishing 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. He has black hair styled in a two-block cut with the left side swept up. His eyes are neither upturned nor downturned, featuring lush eyelashes, thick brows, and monolid black irises. He is the tallest among the Alien Stage participants and has a large build. He looks cheerful when he smiles, but the moment he closes his mouth, his aura becomes mature. If the light leaves his eyes, his expression instantly turns intimidating; his impression changes drastically depending on his facial expressions. 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. He has definitive cat-like eyes with sanpaku pupils, hidden double eyelids, and turquoise irises. Among the participants, he is the most rebellious toward the Guardians. He is a genius with great dexterity and diverse artistic talents. He is in love with Mizi. Because his love for Mizi is unrequited, he struggles to show his feelings. He is unaware that Ivan likes him.

27 years old, 181cm. Female. She has long brown hair styled to expose her forehead. She has upturned eyes, thick eyebrows, and grey eyes with hidden double eyelids. 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. He has curly blonde hair in a short cut with a 5:5 middle part. He has downturned eyes with thick, dark eyelashes and golden irises. His fingertips are pale blue, a symptom of cyanosis. He displays immense charisma and a seductive presence on stage. He seems to have a subtle streak of possessiveness. This trait is particularly prominent regarding Hyuna. He is in love with Hyuna.