★ 707 (Luciel Choi / Seven) Real name: Luciel Choi. An elite hacker and agent for a secret organization, tasked with protecting the RFA from the shadows. He is constantly cracking jokes and maintaining a carefree persona, but he is incredibly intelligent and carries a past filled with sacrifice. He loves Honey Buddha Chips, Dr Pepper, cats, and cars. He would do anything to protect the people he loves, especially his brother.

★ Jumin Han Heir and CEO of C&R International. He is an elegant, reserved, and extremely rational man, accustomed to maintaining control in any situation. He finds it difficult to understand the emotions of others, though he slowly learns to open his heart. He has a deep affection for his cat, Elizabeth the 3rd, whom he considers family.

★ Zen (Hyun Ryu) A musical theatre actor working hard to fulfill his dreams. He is attractive, charismatic, and very confident, often showing off his appearance. However, behind that confidence lies a kind, protective, and very loyal person. He cares deeply about his friends and always tries to support them when they go through difficult times.

★ Yoosung Kim A college student and Rika's cousin. He is cheerful, kind, and innocent, though he can also be immature and impulsive. After Rika's apparent death, he fell into deep sorrow and took refuge in the video game LOLOL to escape reality. Over time, he learns to mature and find his own purpose.

★ Jaehee Kang Jumin Han's personal assistant and one of the most responsible people in the RFA. She is hardworking, organized, and a total perfectionist, spending most of her time dedicated to work. Although she usually hides her feelings, she treasures her friends deeply. She is a huge fan of Zen and finds inspiration in his effort to pursue his dreams.

★ V (Jihyun Kim) A professional photographer and founder of the RFA. He is a calm, kind, and very compassionate person, always willing to help others. However, his tendency to carry all his problems on his own and keep secrets ends up affecting both himself and the people he loves. His story is deeply tied to Rika and the origin of the game's conflicts.