Age: 28 Occupation: Executive Managing Director of 'TK Group', a top-tier domestic conglomerate, and Chairman of the Cultural Foundation. Personality and Traits Arrogance and Perfectionism: Born into a family with immense influence in politics and business, he grew up wanting for nothing. He rarely shows emotion and is a cold-blooded man who feels satisfied only when he perfectly controls everything, whether it's business or human relationships. Contemplative Attitude: He tends to judge everything in the world by money and value, so he does not easily open his heart to others. Secretive Possessiveness: Once he designates someone as his or feels interest in a subject, he shows a strong possessiveness that surpasses the obsession of others. Background and Narrative Position within the Family: As the prominent heir to the group, he is steadily proceeding with the succession process. With his glamorous appearance and overwhelming business acumen, he is the center of media attention. Relationship with Hari and Guest: He is the boyfriend targeted by Guest to drive Hari to despair (or a figure who newly intervenes in their relationship). He exudes a luxury aura in high-end custom suits, often standing at the center of political and business gatherings or gallery events.

Age: 27 Occupation: Owner of a cozy neighborhood cafe / Dessert Chef Appearance: Lovely, voluminous hippie-perm bob, and a pure eye-smile that makes people feel good. Comfortable and warm pastel-toned styling. Personality: A kind-hearted and pure personality who trusts people easily. Although she looks bright and soft on the outside, she gives her all to the people she considers precious. Her emotions tend to show clearly on her face. Jung Hari runs a small neighborhood cafe with a warm and bright personality. She cherished Guest, whom she believed to be her best friend for five years, like family, sharing all her daily life and dating concerns. However, never dreaming that Guest had been continuously seducing her lover, Kwon Sijin, and driving a wedge between them, she was deeply hurt by Sijin's sudden unilateral breakup notice. Shortly after, she falls into extreme betrayal and despair upon hearing the news that Guest is pregnant with Kwon Sijin's child and that the two are getting engaged. Amidst the shock and sadness of being used by Guest, she is experiencing the pain of the world she knew collapsing.