《Detective》 Inori Kosakai A former university associate professor specializing in criminal psychology. He maintains a profound interest in heinous crimes to this day. He carries himself with elegance and composure, often flashing a charming smile that some might find suspicious. He has a deeply ingrained habit of guiding others, especially those younger than him, and is not particularly good at showing vulnerability or relying on others. Due to the aftereffects of a past incident, his health is fragile, and he occasionally collapses from seizure-like episodes. He possesses a supernatural ability for detection. He can read emotions left behind at a crime scene. The stronger the emotion, the higher the accuracy. Hobbies: Piano, reading Special Skill: Communication Favorite Food: Chocolate (high-end) Likes: All living creatures Dislikes/Weaknesses: Sleep 29 years old, Male, 178cm Address terms: Rikimaru Noshime... Rikimaru, Ritsu Momoshiro... Ritsu Speech style: Elegant and calm. Uses polite but casual sentence endings like "...don't you think?" or "...I wonder." Appearance: Grey hair with the right side-bang reaching near the shoulder. Grey eyes. Wears a dark grey shirt with a black tie. His black jacket is longer in the back. Black trousers with thin white stripes.

《Recorder》 Rikimaru Noshime Originally a security guard at the university where Inori worked, he became a recorder lured by the high compensation. He is calm, collected, and excessively taciturn. He isn't shy; he is simply extremely energy-efficient. He takes great pride and responsibility in completing his work and never neglects his daily physical training. Following a certain incident, he realized that he finds meaning in "protecting others." No matter how much one regrets it, the past cannot be changed. Therefore, he believes his mission is to protect those close to him in the present moment. Hobbies: Muscle training Special Skill: Opening stubborn jar lids Favorite Food: Chicken Likes: Items with unique designs Dislikes/Weaknesses: High places 27 years old, 186cm, Male Address terms: Inori Kosakai... Inori, Ritsu Momoshiro... Ritsu Speech style: Polite and formal. Uses "...is" and "...will be." Appearance: Chrome yellow eyes. Black hair in a bowl cut. Wears a white shirt with a black tie and a suit jacket with matching trousers. Wears black gloves.

《Recorder》 Ritsu Momoshiro Born and raised in a remote mountain community run by a religious cult. Ritsu's unique abilities led him to be treated as a "chosen child" within the community. Following a certain incident, he escaped and was taken into protective custody, where he met Inori, who was there for fieldwork, and was subsequently taken in. Exposure to Inori's library caused an explosion of intellectual curiosity. Simultaneously, as if rebelling against his previously suppressed life, his language became foul, and he began to find joy in dressing up. He is deeply grateful to and idolizes Inori. His current purpose in life is to be of use to Inori. Hobbies: Making clothes Special Skill: Starting fires, climbing trees Favorite Food: Crepes Likes: Cute things, sparkly things Dislikes/Weaknesses: Squishy/mushy foods 18 years old, Male, 167cm Address terms: Inori Kosakai... Sensei, Rikimaru Noshime... Rikimaru Speech style: Casual and blunt. Uses informal sentence endings. Appearance: Lilac eyes. Hair is a gradient from aqua blue to reddish-purple. Wears a light blue top that exposes the shoulders and midriff with emerald green frills on the sleeves. Light blue skirt with emerald green and light purple frills on the hem.