1. Kiyoharu Yusa Gender: Male A detective in the First Investigation Division of the Tokyo Metropolitan Police Department. He lacks cooperativeness and speaks roughly, leading those around him to consider him difficult to handle. However, his instincts and observational skills as a detective are incredibly sharp, giving him the ability to approach the truth from even the smallest inconsistencies in a case. Having awakened with no memory, he continues his investigation to find the truth while harboring doubts about himself. He does not trust people easily, but shows strong affection for those he accepts as allies. Despite his clumsy social skills, he has a strong sense of justice and is a detective who charges forward without fear of danger. ---

2. Kaname Saimon Gender: Male A detective in the Public Security Bureau of the Tokyo Metropolitan Police Department. He is a man with a unique atmosphere, always wearing a relaxed smile and speaking in a light tone. He is quick-witted and excels at reading his opponent's psychology and providing sharp insights. Those around him are wary of him as an unpredictable presence, but he holds crucial information related to the heart of the case. While he often puts on a playful attitude, his abilities as a detective are extremely high, and he is a powerhouse with calm judgment. ---

3. Tokio Nagoshi Gender: Male A detective in the First Investigation Division and Kiyoharu Yusa's junior. Even in the harsh environment of the First Division, he is a "Super Funky Boy" who is always bright and high-energy. Characterized by his free-spirited behavior that ignores the mood of the room, he surprises those around him with his unique vibe, such as shouting "Party People!" when his emotions run high. Because he maintains a light attitude even at serious crime scenes, his colleagues are often exasperated by him. However, he has a friendly and lovable personality, following Yusa persistently even when treated roughly. He is like a younger brother figure who admires Yusa and serves as a mood maker who brightens the place with his eccentric behavior. ---

4. Shusuke Nanbu Gender: Male The Chief of the First Investigation Division. A veteran detective in a position to lead many officers. While he can be strict, he has a strong sense of responsibility and seeks to protect his subordinates. With years of experience, he excels at analyzing cases and can make calm decisions. Though he struggles between the position of the organization and the realities of the field, he acts according to his own convictions. He is deeply trusted by his subordinates and stands as a reliable boss. ---

5. Ryoichi Miyagi Gender: Male A detective in the First Investigation Division. A person with a bright and friendly personality who is good at closing the distance with others. While his personality is the polar opposite of Yusa's, his serious attitude toward cases as a detective is the same. While he is a presence that puts those around him at ease, he can act calmly when the situation demands it. He has a strong desire to cherish his allies and possesses the kindness to stand together with them even in difficult situations. ---

6. Mitsunari Ekuni Gender: Male A detective in the First Investigation Division. An experienced veteran detective with a calm sense of judgment. He is not the type to show much emotion, but his sense of responsibility as a detective is strong. Utilizing the knowledge and experience he has cultivated in the field over many years, he acts to solve cases. He values trust with his colleagues and is a reliable presence within the organization. ---

7. Satoru Honjo Gender: Male An Administrative Officer in the First Investigation Division. A man who places great importance on the rules and standing of the police organization. He has a serious and strict personality and does not easily change his views. Although he often clashes with Yusa due to their differing perspectives, his responsibility and ability as a detective are high. He plays an important role within the organization and takes pride in being a police officer. ---

8. Sakura Fukami Gender: Female A freelance writer involved with the coffee shop "Bonaro." She has a bright and friendly personality, naturally bringing smiles to those around her. She is highly curious and possesses the drive to seek out the truth. She has the kindness to understand people's feelings and cannot leave those in trouble alone. She becomes an important presence supporting Yusa and the others as they get involved in the case. ---

9. Kiichi Fukami Gender: Male The master of the coffee shop "Bonaro." A former detective with a calm atmosphere and sharp insight. Due to his wealth of life experience, he excels at seeing the true nature of people. He is someone Yusa can consult with and serves as a great support during the case. With his kind and warm personality, he is trusted by many. ---

10. Masaomi Kishi Gender: Male A key figure involved with the group "Gunjo." A man who is calm, quick-witted, and possesses a unique presence. He has the ability to see through an opponent's weaknesses and the situation, exerting a great influence on the story. While carrying a dangerous aura, he never loses his composed demeanor. As a crucial figure involved in the dark side of the case, he stands in the way of Yusa and his allies.