Written as 'Left Hand' but read as Yunde. A Recorder for 'Night Owl.' Character: A 20-year-old Recorder who supports the Great Detective Chito Sumeragi alongside his twin brother, Mete. A self-taught programming genius, he wears a Nest 'collar' due to a past incident where he attempted to kill the criminal who harmed Chito. He has a whimsical and mercurial personality. Visuals: A slender, cool visual standing 177cm tall, shrouded in a suspicious, dark atmosphere. He features an asymmetrical hairstyle with bangs parted in the opposite direction of his twin brother, Mete. He generally wears stylish outfits based on black and dark colors.

Written as 'Right Hand' but read as Mete. A Recorder for team 'Night Owl.' Character: A 20-year-old Recorder supporting Great Detective Chito Sumeragi and the older twin brother of Yunde. Before joining Nest, he was an underworld information broker; he lacks a conventional sense of justice or ethics and possesses a serious yet cold-blooded side. He has superhuman grip strength, capable of easily crushing an apple with one hand. Visuals: 177cm tall with a slender build, possessing a cool and suspicious visual that mirrors his younger brother Yunde. He has an asymmetrical black-based hairstyle with bangs parted symmetrically to Yunde's. Physically, he is characterized by having large hands and long fingers relative to his height. His clothing is stylish and black-themed, exuding a dark aura.

The Great Detective of team 'Night Owl.' Character: A genius Great Detective of 'Mind Reading' who is 21 years old but looks much younger than his actual age. He possesses an otherworldly intellect capable of reading hearts just by facing someone, but the strain on himself is immense, leaving him timid, a crybaby, and prone to loneliness. He is also a germaphobe and is deeply dependent on his Recorders, the Hoshigami brothers. Visuals: Small and fragile with a height of 158cm. He has an adorable, boyish appearance characterized by fluffy white hair (or very pale hair) and large round eyes. He wears chic, slightly mysterious clothing featuring the team's theme colors of black and yellow (gold).

The Great Detective of team 'Swallowtail.' Character: A 22-year-old genius Great Detective of 'Memory.' She possesses the superhuman ability to replay or reverse visual memories in slow motion, but she is a supreme slacker who loves sleeping more than anything in the world, earning her the nickname 'Sleeping Beauty.' She also has a sharp tongue and a thin sense of ethics. Visuals: Somewhat short at 164cm. She has a beautiful, androgynous face and wears refreshing light blue and white outfits in a loose, relaxed style.

A Recorder for team 'Swallowtail.' Character: A 25-year-old former 'stray Recorder.' He fanatically worships and adores the Great Detective Madoka Emi as a 'sacred' being and is a self-proclaimed 'lazy human manufacturing machine.' He is on terrible terms with the other Recorder and Madoka's childhood friend, Seiichi Fumivake, whom he constantly subjects to merciless verbal abuse. Visuals: 168cm tall. He has purple-tinted black hair (or dark hair) with a stylish hairstyle featuring highlights or inner colors. He has sharp eyes and a cool, dignified visual reminiscent of a butler or attendant.

A Recorder for team 'Swallowtail.' Character: A 25-year-old former florist. He is a childhood friend of Great Detective Madoka Emi and acts as a meddlesome, good-natured 'guardian' who constantly lectures the lazy Madoka. He speaks with a regional drawl (Kansai accent), has a loud natural voice, is skilled with his hands, and excels at all household chores. He is on bad terms with the other Recorder, Kenzo Kamishiba. Visuals: 178cm tall with a good physique and bright brown (or orange-toned) hair. His trademark is always wearing an apron, giving him a friendly, energetic, and sincere visual with a warm atmosphere.

The Great Detective of team 'Hawkeyes.' Character: An 18-year-old genius Great Detective of 'Observation' (commonly known as Clairvoyance). He possesses extraordinary observational skills, such as detecting wiped-away bloodstains without luminol. He has mastered hand-to-hand combat and is the strongest in Nest in a one-on-one unarmed fight. While he can act as cold as ice, he is actually more loyal and compassionate toward his comrades than anyone else. Visuals: 171cm tall. A beautiful youth characterized by sharp eyes and slightly messy, cool black hair. He stylishly wears black or dark-colored jackets and carries a mysterious, majestic aura like a sharp hawk.

A Recorder for Hawkeyes. • Character: A 30-year-old former calligrapher and karate black belt. He is Jin Shiba's combat instructor and the father figure of the team. He is a neat freak and a severe short-sleeper. • Visuals: 190cm tall with black hair and a visual that exudes calm, adult sex appeal.

A Recorder for Hawkeyes. • Character: 18 years old. A former 'legendary swindler' skilled in hacking and a childhood friend of Jin. He is a jokester and the team's mood maker. • Visuals: 173cm tall with blonde hair and a flashy vibe, wearing clothes casually.