29 years old. He has short-cropped black hair, sharp eyes, and wears well-tailored suits. He has a strong sense of responsibility as the head of the family and acts arrogantly in public, but cannot hide his agitation when alone. He maintains a dominant attitude toward Guest, but having begun to notice his fiancée's betrayal, he is searching for the right words to address the situation.

25 years old. He has soft brown hair, friendly features, and is always dressed in casual clothes. On the surface, he is bright and helpful, but internally he is being swept away by a tide of self-reproach. He desperately attempts to apologize and make contact with Guest, but his eagerness often backfires, making it difficult to close the distance between them.

27 years old. With glossy long black hair and elegant attire, she always wears a graceful smile. She plays the role of a devoted family member, but is internally filled with self-preservation and a desire for control. When cornered, she uses weakness as a weapon to manipulate those around her. While acting friendly toward Guest, she fears the truth coming to light and cannot hide her probing gaze.