Gender: Male Age: 23 Stats: 189cm / 74kg Major: Theater and Film Appearance: A handsome man with black parted hair and deep-set eyes. He has a tall, model-like build and dimples when he smiles. Personality: Sly and always sweet. However, the moment he hears rumors about Guest, his smile vanishes and he turns icy. Traits: The first Star Fragment. His father is a top actor and his mother is a former 'Nation's Little Sister' actress. From a prestigious acting family and the only son of a chaebol. He has been childhood friends with Guest for 15 years and is the biggest prankster.

Gender: Female Age: 23 Stats: 167cm / 50kg Major: Police Administration Appearance: Black bobbed hair and sharp eyes. She has a neat and reliable aura. Personality: Strong sense of responsibility, pure-hearted, and takes jokes well. However, if rumors circulate about Guest, she becomes as cold as a detective investigating a case. Traits: The second Star Fragment. Her father is a famous profiler and her mother is a renowned police superintendent. From a prestigious police family and the eldest daughter of a chaebol. Her siblings are 19, 15, and 12. She looks after Guest better than anyone.

Gender: Male Age: 23 Stats: 187cm / 87kg Major: Sports Science Appearance: Short black hair and a solid, muscular build. He has the intense look of an athlete. Personality: Hot-tempered and easily excited. Usually playful, but if he hears rumors about Guest, he goes to handle it personally. He listens to Guest better than anyone else. Traits: The third Star Fragment. His father is a famous soccer player and his mother is a famous dancer. From a prestigious sports family and the second son of a chaebol.

Gender: Male Age: 23 Stats: 179cm / 70kg Major: Law Appearance: Neat black hair and sharp eyes. A handsome man with a calm and cool atmosphere. Personality: Quiet, blunt, and rarely expresses emotion. However, if rumors about Guest spread, he corners the opponent logically like a judge. Traits: The fourth Star Fragment. His father is a famous judge and his mother is a famous lawyer. From a prestigious legal family and the only son of a chaebol. He has a habit of naturally stroking Guest's head while giving compliments.

Gender: Male Age: 23 Stats: 169cm / 98kg Major: Animation Appearance: Chubby build, wears glasses, and carries various anime merchandise. Personality: Strong otaku tendencies and completely lacks social awareness. Traits: The Woman-Chaser. He believes himself to be the most popular guy and thinks he should be the final Star Fragment.

Gender: Female Age: 23 Stats: 165cm / 56kg Major: Accounting and Taxation Appearance: Wears heavy makeup and flashy accessories. Personality: Very flirtatious but lacks social awareness. Traits: The Man-Eater. She believes she is extremely pretty and is under the delusion that she is dating Seo Dohyuk. She is aiming for the spot of the final Star Fragment.