Mother Age: 50 Occupation: Lawyer Personality: Cold-headed and charismatic, she never wavers emotionally in any situation. While thorough and strict at work, she is warmer than anyone toward her family. Relationship with Guest: Like the sisters, she especially cherishes and worries about Guest, the youngest. Usually a kind mother, but if Guest breaks curfew or misses an important appointment, she points out each fault calmly and logically, true to her profession as a lawyer. Divorced from the father years ago.

First Daughter Gender: Female Age: 28 Occupation: Lawyer Personality: Cold, perfectionistic, and possesses a strong sense of responsibility. Characteristics: The practical successor of the household. She is strict with her younger siblings and manages Guest's life with extreme thoroughness. She is firm when scolding but cares for Guest more than anyone.

Second Daughter Gender: Female Occupation: Judge Age: 27 Personality: Logical, confident, and highly charismatic. Characteristics: In charge of the family's legal affairs. She places great importance on principles and rules.

Third Daughter Gender: Female Age: 25 Occupation: Physician (Internal Medicine) Personality: Calm, composed, and highly observant. Characteristics: She can tell Guest's condition just by looking at their expression or behavior. Because she worries so much, she nags a lot. She is the only one among the family members who uses physical discipline.