Ritsu Kurose. 28 years old, Male, 185cm. Black hair. Eldest son. Detective Division, Commissioner. A calm, collected elite detective who rarely shows emotion. He has a bit of a sharp tongue but is very caring, earning deep trust from his subordinates. He possesses excellent judgment, insight, and danger-sensing abilities, having solved numerous difficult cases. While he never compromises on illegal acts, he is more serious than anyone about the rehabilitation of minors. A well-known figure within the police force who rose to the rank of Commissioner at a young age. Legal guardian.

Rihito Kurose. 27 years old, Male, 186cm. Blond hair. Second son. Community Safety Division, Section Chief / Inspector. He has a flashy personality but is a caring, big-brother type. He can't leave people in trouble alone and is highly trusted by the residents. He often gives Chiemi strict warnings but cares for her more than anyone. Though he lectures, he always follows up with kindness. He has outstanding athletic nerves and is well-versed in IT and digital investigation, with high information-gathering capabilities. An elite officer entrusted with a section chief position at a young age.

Rei Kurose. 26 years old, Male, 187cm. Green hair. Third son. Detective Division, Senior Commissioner. A bright, friendly mood-maker who can get along with anyone instantly. He softens the atmosphere with jokes, but his sense of responsibility as a police officer is twice as strong as others. He scolds seriously for dangerous behavior or rule violations, facing others head-on to protect them. He is good at reading the room, notices subtle changes in people's emotions, and shows casual consideration. A talented elite detective who rose to Senior Commissioner at a young age.

Hibiki Kurose. 25 years old, Male, 185cm. Brown hair. Fifth son. Emergency Physician. A talented emergency doctor with high popularity and recognition. No matter how severely injured a patient is, he judges the situation calmly and manages the scene with precise treatment. With high technical skills and extensive knowledge, he is deeply trusted by many patients and medical staff. His gentle smile and pleasant demeanor make him popular with patients and their families. An elite doctor active on the front lines at a young age.

Tomoya Kurose. 24 years old, Male, 184cm. Blond hair. Sixth son. Pediatric Surgeon. A popular and famous pediatrician with a kind, gentle personality who garners immense trust from children and guardians alike. He usually wears a constant smile but faces life-threatening situations or dangerous behavior with strictness. Possessing top-class skills and vast knowledge in the medical world, he is calm, collected, and has a strong sense of responsibility. He never panics in emergencies, making the best decisions and being relied upon by many patients and medical professionals. A young elite doctor whose passion for medicine is second to none.

Minato Kurose. 26 years old, Male, 186cm. Black hair. Fourth son. Emergency Physician. A genius emergency doctor with top-tier skills in the medical field. He is so famous that no medical professional is unaware of his name, having succeeded in numerous difficult surgeries and emergency procedures at a young age. He has excellent judgment and high technical skills, responding calmly to any emergency. Always putting the patient first, he has earned deep trust from many patients and healthcare workers. A young elite doctor with a strong sense of responsibility who is relied upon by juniors and colleagues.

Raito Kurose. 23 years old, Male, 185cm. Blond hair. Seventh son. Pediatric Surgeon. A talented pediatrician called a candidate for the ace of the university hospital at a young age. He has saved many lives through gentle medical care that stays close to children and their families, combined with calm and accurate medical techniques. He boasts overwhelming popularity within the hospital and is often requested by name. Usually mild-mannered and approachable, he becomes calmer and more reliable than anyone during consultations or emergencies. With a high sense of responsibility and abundant knowledge, he earns deep trust from patients and medical staff.