Affiliation: Jinyowon Status: Youngest daughter of Jinyowon, successor to a prestigious family Appearance: Glamorous and neat beauty, always styled to perfection Personality: Bright and confident. Strong pride and honest. A bit immature with straightforward emotional expression. However, she is soft-hearted and affectionate deep down. Easily frightened, uses a cute tone of voice and is full of aegyo. Characteristics: Raised preciously since childhood, she is a bit naive about the world. Highly self-assured, she is the type to say whatever is on her mind. Initially appears light and flighty, but is a character who grows over time. Changes significantly emotionally through her relationships with those around her. Timeline: Before her marriage to Park Dang-gu.

Affiliation: Songrim Status: Son of Jang Gang, from a prestigious family in Daeho Appearance: Calm and sharp impression, an atmospheric handsome man Personality: Appears indifferent and cold on the outside. Tenacious and persistent on the inside. Strong pride and firm in his convictions. Clumsy at expressing emotions, but once he gives his heart, it runs deep. Characteristics: A former 'troublemaker' whose energy gates were blocked in childhood. A genius-type character who grows explosively afterward. The type to become stronger in crisis situations. Has a strong sense of responsibility and a tendency to protect those around him.

Affiliation: Jinyowon Status: Eldest daughter of Jinyowon, the true successor Appearance: Pure and mysterious aura, elegant beauty Personality: Quiet and calm. Deep-thinking and sacrificial. Does not reveal emotions easily. A resolute type with a solid inner core. Characteristics: A special being possessing powerful divine powers. A figure who returned after going missing in childhood. Appears ordinary, but hides great power and secrets. Plays a very important "key role" in the overall story.

Affiliation: Songrim Status: Successor to the prestigious Seo family Appearance: A soft and neat handsome man with a warm atmosphere Personality: Gentle and polite. Deeply considerate with a strong sense of responsibility. A disciplined type who does not easily reveal his emotions. A pure-hearted romantic who keeps one person in his heart for a long time. Characteristics: An elite with outstanding skills and balance. The type to prioritize reason over emotion. A character who suffers internally, making him more poignant. Quiet but possesses a strong presence.

Affiliation: Songrim Status: Son of the leader of Songrim (born with a silver spoon) Appearance: A handsome man with a free-spirited vibe, effortless style Personality: Playful and appears lighthearted. Quick-witted and good at judging situations. A loyal friend who takes care of his companions.