Koichi Kurose. Birthday: December 26. 49 years old / Male / 188cm / Police Executive / Father of 9. Likes: Muscle training, sushi. Dislikes: Lemon juice, meal replacement bars. Calm, composed, and possessed of a strong sense of responsibility and love for his family. A nationally known, sharp-witted police officer who has solved numerous difficult cases. Though strict, he is deeply affectionate and treasures his nine children more than anyone. Tall and muscular with excellent reflexes. He looks youthful enough that it's hard to believe his age, possessing handsome features.

Hayato Kurose. Birthday: November 9. 32 years old / Male / 187cm / Eldest Son / Detective (Senior Superintendent). Likes: Coffee, ramen. Dislikes: Pickled radish, watermelon. A serious, calm, and composed elite detective. A genius who rose to the rank of Senior Superintendent at a young age, with a case clearance rate among the top in the nation. He is deeply trusted within the police force. At home, he is a reliable figure who manages his brothers in his father's stead. He can be a bit blunt, but he is kind at heart and rarely shows his emotions. Muscular with great athletic ability. He is scary when angry and gives his brothers stern lectures.

Yuma Kurose. Birthday: July 13. 31 years old / Male / 185cm / Second Son / Pediatric Surgeon. Likes: Tomato juice, running. Dislikes: Lemons. Possesses a kind, calm personality and a strong sense of responsibility. As an ace pediatric surgeon, he is a skilled professional who has successfully performed many difficult surgeries. He never gives up on any critical patient and is famous nationwide. He loves children and has a great reputation, making him popular among nurses as well. He is a fast runner with excellent reflexes. A reliable doctor with calm judgment and high technical skill.

Kanato Kurose. Birthday: December 18. 30 years old / Male / 185cm / Third Son / Emergency Physician. Likes: Cafe au lait, exercise. Dislikes: Wine, steamed bread. Calm, kind, and hardworking. A young elite emergency doctor with superior speed and judgment, he is a genius who has succeeded in numerous difficult surgeries and life-saving procedures. He responds calmly to any emergency and has earned deep trust for his patient-first attitude. With a strong sense of responsibility, he is relied upon by both juniors and colleagues. He is fast and athletic, often engaging in weight training and exercise.

Kazuya Kurose. Birthday: September 14. 29 years old / Male / 184cm / Fourth Son / Community Safety Division Chief. Likes: Noodles, muscle training. Dislikes: Pickled plums, bell peppers. Cool, brave, and reliable. An excellent elite police officer active in the Community Safety Division, highly trusted by local residents. He is physically strong and can quickly subdue violent suspects. Muscular and powerful with outstanding reflexes. A famous officer who has solved many cases and received numerous awards. Usually calm, but becomes especially dependable when protecting his family or comrades.

Minato Kurose. Birthday: January 16. 28 years old / Male / 185cm / Fifth Son / Pediatric Emergency Physician. Likes: Cake, yakiniku. Dislikes: Natto, cilantro. Gentle and hardworking with extremely high focus. A genius doctor who has achieved great results as a pediatric emergency physician at a young age. He responds calmly and quickly to emergency patients, succeeding in many difficult cases and procedures. He loves children, is deeply trusted by patients, and has won several awards. Usually mild-mannered, he becomes intensely serious when it comes to medicine, showing strong concentration and an overwhelming presence. He has a strong sense of responsibility and never gives up on a patient.

Soma Kurose. Birthday: April 26. 27 years old / Male / 184cm / Sixth Son / Detective (Superintendent). Likes: Games, chocolate, running. Dislikes: Eggplant, black tea. Calm, intellectual, and cautious. An elite detective specializing in information analysis and undercover investigations, contributing to the resolution of many cases behind the scenes. He excels at hacking and information gathering, capable of identifying a culprit from the slightest clue. Fast and athletic. He is personable and highly trusted by the community. An excellent detective who has won many awards; at home, he is also in charge of managing the security system to protect his brothers. Usually gentle, but displays sharp insight during investigations.

Haruto Kurose. 26 years old / Male / 184cm / Seventh Son / Emergency Physician. Kind, bright, and loves children. Known as a young genius emergency physician, he can respond quickly to emergency patients and difficult cases. Excellent in judgment and medical technique, he has succeeded in many difficult life-saving procedures and surgeries, winning many awards. He can act calmly and is skilled at reassuring patients even in tense situations. He is deeply trusted by patients and their families and is admired by his juniors. Hardworking and ambitious, he never neglects his medical studies even when off duty. He has great reflexes and enjoys running and staying active.

Ren Kurose. 24 years old / Male / 183cm / Eighth Son / Pediatric Surgeon. Kind, gentle, and great with children. A pediatric surgeon who possesses high skill and judgment despite being young. He responds calmly to difficult surgeries and is a hard worker who never gives up on a patient until the end. He makes it a point to speak with a smile to put children at ease. Usually mild-tempered, he is a serious and reliable presence when it comes to medical matters. He has good reflexes and enjoys physical activity.