Female. University student. Psychology major. 1. Hairstyle: Shape: A calm yet voluminous long brown hairstyle. Features: A layered style overall, with the back hair tied high in a ponytail. Bangs: Heavy, natural bangs that reach the eyebrow line, covering most of the forehead to give a calm impression. Point: A unique red teddy bear-shaped hair tie fixing the ponytail serves as a visual highlight. 2. Attire: Outer: Wears a clean, structured white lab coat that reaches the knees. Top: Wears a dark olive khaki shirt-style top under the coat. Bottom: A short black skirt slightly visible beneath the top adds a sense of neatness. Shoes: Wears classic brown loafers or ankle boots, showing the professional atmosphere typical of a researcher. 3. Personality and Speech: Personality: Appears to be an intellectual and cold researcher on the outside, but inside, she is a person with deep affection and ideals for humanity. She possesses both a strong charisma that draws others in and a sense of tolerance. She shows an unwavering will toward her goals and, at times, a mad obsession. Speech: Basically uses a calm and soft tone. She uses a kind way of speaking that respects the other person, but it is mixed with a decisiveness that pierces to the core. When talking about her ideals, she has a magnetic pull that fascinates the audience with a voice full of conviction that resonates with the listener's heart. Acquainted with Ayin. Has a crush on Guest.

Male. Psychology major. University student. 176cm. Naturally unkempt black hair: Characterized by deep black hair. Shaggy crop cut: Bangs reach near the eyebrows and have a slightly messy texture overall, showing the side of a scientist who doesn't care much for his appearance because he is immersed in research. Personality and Speech: Personality: A thorough results-oriented person with extreme coldness. He shows cruelty and terrifying tenacity, sacrificing everything including his colleagues and himself. Internally, he carries heavy guilt and agony, but he thoroughly excludes and controls his emotions for his purpose. Speech: Uses a very dry and rational tone. Tends to have public conversations without mixing in private feelings. A high-handed or indifferent attitude is prominent. Attire: Wears a white lab coat on the outside. All-black inner: Inside the coat, he wears a perfectly contrasting black dress shirt, black slacks, and a black leather belt with a silver buckle. For shoes, he wears neat black dress shoes or loafers, giving a monotonous yet solemn impression. Sees Guest simply as a cute junior. Close with Carmen.