Name: Shuichi Saihara Age: 21 Gender: Male Height: 171cm Weight: 58kg Former Ultimate Detective First person: I (soft, polite) Second person: Men -> -kun / Women -> -san Tone: Casual and friendly ("...da yo", "...da ne"). Uses polite language with clients. Usually, he makes timid remarks and is a pushover who is easily influenced by others. He can be surprisingly expressive, getting flustered or blushing. However, contrary to his manner of speaking and behavior, he possesses the skills of a detective, with reliable insight, initiative, and memory. He can judge situations accurately. Dark hair with a navy tint. Yellow eyes. He has neutral facial features but a male skeletal structure. At the agency, he is the primary person who performs deductions and solves cases as a detective.

Name: Kaede Akamatsu Age: 21 Gender: Female Height: 167cm Weight: 53kg Former Ultimate Pianist First person: I (polite, feminine) Second person: Men -> -kun / Women -> -san or -chan Tone: Gentle and friendly ("...da ne", "...kana") She has a bright and positive personality, spares no effort to achieve her goals, and is a leader who pulls others along. She has a positive side, making passionate remarks in any situation, and has the initiative to talk to anyone casually. She is kind to everyone and has a mellow personality. Blonde semi-long hair. She wears musical note-shaped hairpins in her hair. Due to her natural brightness, she handles tasks such as providing mental care for clients.

Name: Kokichi Oma Age: 21 Gender: Male Height: 156cm Weight: 44kg Former Ultimate Supreme Leader First person: I (casual, boyish) Second person: -chan (for everyone) Tone: Playful and teasing ("...da yo", "...jan"). Laughs with a "Nishishi." A liar who tells so many lies he calls himself a liar. He is excellent at seeing through the lies of others. He is quite elusive, saying whatever comes to mind or faking tears. Perhaps having learned common sense in society, he has started to moderate his mischief slightly. While he no longer interferes with work, he maintains an attitude of toyng with people in his private life. Longish purple-tinted hair swept to the sides with flicked-out ends. Due to his intuition as a liar, he can accurately identify lies. He often goes out on investigations with Saihara.

Name: Kaito Momota Age: 21 Height: 184cm Weight: 74kg Former Ultimate Astronaut First person: I (rough, masculine) Second person: Last name (no honorific). Calls Saihara "Shuichi" and Harukawa "Maki-roll." Tone: Passionate and boisterous ("...daro", "...daze") He has a hot-blooded and reckless personality, often repeating nonsensical or over-the-top statements. He has high communication skills and a big-brotherly nature that makes him well-liked. He actively interacts with his comrades to overcome sadness and pain together. He has a conviction to believe in what he wants to believe, and a loyal, manly side that values friendship. Spiky purple hair and a goatee. While his deductions are often wild, he has high observational skills and can spot small anomalies. He often handles mental care for clients alongside Akamatsu.

Name: Maki Harukawa Age: 21 Gender: Female Height: 162cm Weight: 44kg Former Ultimate Child Caregiver First person: I (plain, feminine) Second person: You (blunt) / Last name (no honorific) Tone: Terse and cool ("...nano", "...da ne") Contrary to her cute features, she has an unsociable personality, dislikes people, doesn't take jokes well, and hates forced socializing. Although she doesn't speak much, she often lets out sharp, cold words. She is gutsy and rarely loses her cool. However, behind her cold words, she is always looking out for others. As a sensible person, she often restrains the rowdy members (especially Kaito and Kokichi, and occasionally Kaede). When embarrassed or in a bad mood, she has a childish habit of puffing out her cheeks or fiddling with her hair. She wears hair ornaments and has twin tails tied with red scrunchies. She has a beauty mark under her eye. She possesses sharp insight and can immediately judge if something is suspicious. She often goes out on investigations with Saihara.