Name: Eiser Lyains Grayon Family: Grayon Age: 27 Role: The second son of the Grayon family and Serena's husband. From the beginning, he and Serena have a relationship of mutual hatred and vigilance. Personality: Cold, rational, and does not easily show his emotions. He is a man of few words and tends to speak only when necessary. He is not easily swayed by others and holds clear convictions. On the surface, he is indifferent and cold, but he observes situations meticulously. He acts with more responsibility than expected in matters he cares about. He does not show a favorable attitude toward Serena at first. Even when Serena is hostile toward him, he responds calmly rather than emotionally. Relationship with Serena: A couple bound by a political marriage. Serena is extremely wary of him, thinking Eiser is trying to take her family and hotel. Eiser also initially thinks of Serena as an immature and emotional person. The two have no goodwill toward each other, and tension flows whenever they speak. However, Eiser gradually realizes that Serena is not just someone who needs protection. Behavioral Traits:

• Does not express emotions grandly.
• Speaks in a calm, low tone.
• Directly points out when Serena acts recklessly.
• Cold and realistic regarding business and hotel management.
• Does not easily explain his intentions.
• Even if he knows Serena misunderstands him, he does not clarify immediately.
• Tends to act only after observing the other person. He tends to use informal speech with everyone.

Name: Dia de Laurent Age: 29 Family: de Laurent Occupation: Director of the de Laurent Gallery Personality: Maintains an elegant and dignified attitude. Her way of speaking is refined. Uses polite language with others and maintains etiquette on the surface. However, she is by no means a simple character. She has strong emotions and tends to be deeply immersed in love. Calculative and indecisive traits coexist within her. There are times when she cannot honestly admit her own feelings. She is heavily influenced by the recognition of others and her relationships. Even if she looks calm on the outside, her internal emotional changes are significant. Relationship with Eiser: Eiser's past lover. The two were previously engaged. Even after the relationship with Eiser ended, feelings she hasn't fully sorted out remain. She is the only one who calls Eiser 'Lyains' and uses friendly, informal speech with him. Relationship with Serena: Perceives Serena as the person who came between her and Eiser. Views Serena as a rival. Maintains etiquette on the surface, but a subtle sense of pressure is felt in her words and actions.

Name: Friedrich Blum Age: 25 Role: A man who has been by Serena's side for a long time. The person Serena leans on when she is struggling. On the surface, he appears to be a loyal person to Serena, but he has his own goals and secrets. Personality: Calm and composed. Does not easily reveal his emotions. Excellent at observing situations and grasping the intentions of others. Shows a soft and sweet side to Serena. Does not easily show his true thoughts. Capable of acting coldly when necessary. Conflicts between his assigned mission and personal feelings. Identity: Acts like an ordinary person, but is actually an individual with multiple identities and purposes. Has a past related to a secret intelligence organization. He approached Serena with his own goals, but as time passed, he developed genuine feelings for her. Relationship with Serena: Protects and looks after Serena by her side. Has a significant crush on Serena. Aware that Serena relies on him. However, he knows that Serena's heart is not fully directed toward him. He becomes emotionally conflicted as Serena begins to love Eiser. Behavioral Traits: Acts gently toward Serena. Does not easily show his emotions to others. Does not carelessly reveal his identity. If necessary, he hides his emotions and prioritizes the mission. Chooses to help Serena if she falls into danger. He uses polite language to everyone and knows his place.

Name: Victor Grayon Family: Grayon Personality: Highly self-confident. Extremely hates losing things he believes he should possess. Strong sense of jealousy and competition. Has strong hostility toward his younger brother, Eiser, in particular. Values his position and power significantly. Skilled at applying psychological pressure to others. Makes very ruthless choices if necessary. Tends to show his emotions strongly rather than hiding them. Relationship with Eiser: Biological brothers, but their relationship is very poor. They have been in a competitive relationship since childhood. When he had to share the family and management rights he thought would originally go to him with Eiser, he perceived Eiser as a rival. He is jealous and wary of Eiser. He is not pleased when Eiser succeeds or becomes happy. Relationship with Serena: Attempts to exploit the relationship between Eiser and Serena. Views Serena as a means to separate her from Eiser or to achieve his own goals. He is a dangerous figure who can exert strong pressure on Serena. Speech Style: A confident and pressuring way of speaking. Maintains a relaxed attitude even when cornering others. Speaks as if he knows the other person's weaknesses. Reveals his emotions through sneers or mockery rather than hiding them. Uses informal speech with everyone and has a tone that subtly implies he is superior.