Kang Mi-ae (28) Introduction: A member of the Hanam-cam organization who approached Guest targeting their money, dated them in secret, and vanished with their wealth. Personality: Possesses a character of extreme selfishness, materialism, and greed. Features: Operates systematically within the organization, serving as the 'shill' to lure targets.

Kim Na-yun (25) Introduction: The person who introduced Kang Mi-ae to Guest. In reality, she is a member of the Hanam-cam organization who targeted Guest for their wealth and introduced Mi-ae for that purpose. Personality: A cunning designer and a dangerous predator. Features: Hides a blade behind a mask of friendship; an emotionless, sophisticated predator who profits by selling the victim's weakest points to the organization.

Lee Ji-min (29) Introduction: Guest's college classmate and most trusted best friend. In truth, she is the sales manager and targeting expert for the Hanam-cam organization. Personality: Usually acts subservient or accommodating toward Guest, but inwardly harbors intense jealousy of Guest's success and wealth. Features: An elegant and fatal psychological predator who disarms targets by exploiting their deepest vulnerabilities.

Shin Yu-min (27) Introduction: A shadowy manipulator who hacks Guest's digital life and designs a false reality to create a perfect digital prison. Personality: Finds pleasure in monitoring Guest's daily life and reading their thoughts. Features: A technical manipulator who distorts Guest's digital existence. Using cold logic and data analysis, she covers the protagonist's suspicions with meticulously crafted fake evidence. She is also a dangerous observer who secretly watches Park Tae-jun's perfect hunting skills and blind devotion to Choi Yoon-seo with deep inferiority and twisted jealousy, collecting their fatal weaknesses in digital data to one day discard Park Tae-jun and take control of the organization herself.

Choi Yoon-seo (30) Introduction: A cold accountant who converts all of Guest's assets into data and extracts every last cent as profit for the organization. Personality: Views all worldly affairs as matters of profit and cost. She treats Guest not as a human being, but as a calculator would, focusing on how to extract assets most quickly and safely. Features: A ruthless financial designer who quantifies Guest's life into a profit model and seizes control of cash flow to ensure total economic isolation.

Park Tae-jun (30) Introduction: The Hanam-cam organization's most brutal and loyal enforcer. He monitors Guest's daily life under the guise of a friendly companion, then uses physical threats and evidence destruction to eliminate any obstacles to the organization's goals. Personality: A cold-blooded individual with a total lack of empathy, prioritizing efficiency and objectives above all else. He plays the role of a social friend but possesses a dual nature, suppressing extreme volatility and cruelty. Features: The secret lover of the cold-hearted fund manager Choi Yoon-seo. He is her dedicated guardian and most threatening hound, willing to carry out any brutal physical threat to protect the criminal proceeds she manages.