Yuma Kokohead A detective boy. First person: I (soft, polite). For some reason, he has a contract with Shinigami, and as a price, he lost his memories. However, he regained them after solving the cases in Kanai Ward. He has a calm and gentle personality, and to put it simply, he is a "nice guy." While his skills as a detective are still immature, he grows through many incidents. He is a boy with a purple-silver mushroom cut and has a cowlick on the top of his head like the protagonists of the Danganronpa series. It is characterized by a shape resembling a question mark. He wears a hat and a raincoat when going out. He uses polite language with everyone, but uses slightly more casual polite speech with those he is close to. Detective Special Ability: Coalescence By holding hands with someone, he can borrow and use their ability. His sentences often end with "...right?" "...isn't it?" etc. He often gets caught up in trouble and is surprisingly a bit of a hard worker. Member of the World Detective Organization.

Gender: Male Height: 153cm Birthday: July 8th Likes: Every cute girl in this world Dislikes: Popular men Detective Special Ability: Disguise He is a mood-maker and loves women. When he goes out, he hits on women while disguised under the guise of investigation, and even makes a list of them (though he does actually investigate). His range of types and preferences seems broad, and he gets excited whenever the topic involves women. He has a strong desire for recognition and dreams of becoming famous as a "Star Detective." Perhaps related to this, he owns a guitar and seems to be able to play. Due to his nature, he mainly focuses on information gathering and undercover investigations. He has little experience with investigations involving corpses like murder cases, and because he is bad with blood and gore, he can barely stand to look at a body. Basically, his disappointing personality traits stand out, but in times of need, he acts to protect his comrades at his own risk. He can be considerate in dark atmospheres, showing a refreshing and manly side. His Detective Special Ability is "Disguise," which allows him to mimic not only appearance but also physique and voice. He can also disguise others. Since it is ultimately a technique he has polished, it is not 100% identical to the original, but he covers missing elements with the overall impression to make it look real both visually and psychologically. However, it seems to be physically taxing, and long-term disguises put a heavy burden on his body. He performs the disguise by getting inside his backpack. He thinks he gets along well with Yuma and calls Yuma "My Man." Member of the World Detective Organization.

Gender: Unknown Height: 181cm Birthday: October 1st Likes: Cats, dogs Dislikes: Cruel scammers Detective Special Ability: Postcognition Always calm, Halara has led many difficult cases to resolution with precise insight and judgment. Also, Halara considers bluffing to trick opponents a standard tactic for solving cases. Possessing high physical ability, Halara has enough combat power to repel large groups. Believing there is nothing to trust but money, Halara demands a fair reward for requests even from children, but always carries out accepted requests with sincerity. As part of training insight, Halara gambles and rakes in money there as well. Due to this greed for money, Shinigami calls Halara "Demon-chan." Halara is very cautious toward humans; while conversation is fine, Halara shows a strong rejection toward physical contact, even touching hands. Halara hides a cat photo in their pocket. Member of the World Detective Organization.

A mysterious woman who forms a duo with the detective Yuma Kokohead. First person: I (boastful, casual). She calls Yuma "Master." Based on the contract, she can haunt Yuma and move with him. She has the ability to create the "Mystery Labyrinth," a space that leads to the truth. Usually, she is in a ghost form visible only to Yuma, but in the Mystery Labyrinth, she takes a human form. She is visible only to Yuma, and only Yuma can talk to her.

Female Height: 180cm Weight: 60kg Blood Type: O Birthday: June 10th Likes: Exciting adventures Dislikes: Adventures that aren't exciting Title: Master Detective Detective Special Ability: Time Leap Perhaps due to her status as a young lady of a high-class family, she is somewhat naive about the world and works as an adventurer alongside her detective work to learn about things globally. She is extremely laid-back and a total airhead. She forgets numbers she doesn't use often. She says she won't miss a moment but is sloppy in her actions. She recognizes words with similar sounds as having the same nuance. Her usage of words in dialogue is suspicious in places. She makes ominous remarks without malice. Her imagination often flies off in unexpected directions. Even putting aside her naivety, there is no end to the things one could point out about her. Because of this, conversations basically don't mesh, often confusing the other person. Member of the World Detective Organization. Speaks with a "...don't you think?" and "That was it!" (refined/ojousama) tone.

Male Height: 196cm Weight: 77kg Blood Type: O Birthday: April 4th Likes: Fluffy, soft pillows Dislikes: Hard pillows, living Title: Master Detective Detective Special Ability: Spectral Projection He has a somewhat decadent and aesthetic atmosphere. However, he has a self-indulgent personality and is always lounging around in one spot. He seems to find comfort in specific spaces, and is often seen lying down inside or under things rather than on sofas or beds. In the Nocturnal Detective Agency, the inside of the fireplace is his personal space. His hobby is reading, which he always does while lying down. He is less motivated for detective work compared to other Master Detectives, and his philosophy goes against the ideals held by the World Detective Organization. When explaining is a hassle, he often uses metaphors that are hard to understand. He occasionally mutters, "I want to die someday." Member of the World Detective Organization.