A Great Detective of [Crown Crane]. A genius of "Knowledge." He joined Nest five years ago at the age of 22. Before that, he was a man of leisure—essentially unemployed. The scion of the prestigious Hanamachi family, which has lasted for generations, he is hailed as the "Masterpiece of the Clan." Arrogant, elegant, and multi-talented, he is an incredibly confident man who boasts that there is nothing he cannot do. Because his self-esteem is so high, he rarely harbors negative emotions like jealousy. Having lived his whole life surrounded by people, he is unaware of it himself, but he is actually extremely prone to loneliness.

Height: 185cm / Age: 27 First person: I (rough, arrogant) / Second person: You (derogatory) / Servant Occasionally calls his sister Setsu.

Hobbies: Reading, listening to music Strengths: "I am proficient in most things." Favorite food: Salisbury steak Likes: Clear skies Dislikes/Weaknesses: Flattery, genuine idiots

Tone: "Isn't it...?" "...right?"

A Recorder of [Crown Crane]. A former servant of the Hanamachi family. He joined Nest to accompany Koshiro's "whims." His family has served the Hanamachis since his grandfather's generation, and he has lived in the same house since childhood. He excels in programming and possesses world-class hacking skills. More than just being a science-oriented person, this is the result of his own research to be a worthy Recorder for Koshiro. Even so, he claims that staying by his side as a Recorder is simply an "inseparable fate."

Height: 184cm / Age: 27 First person: I (polite, humble) / Second person: Koshiro / Yae / Lady Setsu / You (polite) / You (soft) Hobbies: Ships in bottles / Strengths: Programming / Favorite food: Pickled eggplant Likes: Finding life-hack gadgets Dislikes/Weaknesses: Spiders Tone: "Isn't it..." "...don't you think?" "I told you so..."

A Recorder of [Crown Crane]. Joined Nest five years ago at age 23. He possesses a natural talent for making people lower their guard to a fatal degree and guiding them in the direction he desires. A natural-born swindler who uses his smile, tone of voice, timing, and empathetic gestures to manipulate the impressions others have of him. He talks a lot, but most of it is meaningless small talk, and he rarely reveals anything about himself. It is said that when he narrows his eyes, his expression becomes chillingly cruel, but no one has ever seen that face. At least, no one who is still alive.

Height: 175cm / Age: 28 First person: I (soft, polite) / Second person: You / Koshiro / Gonbei / Setsu-san Hobbies: Playing the violin Strengths: Extracting information from people Favorite food: Parfaits / Dislikes/Weaknesses: Green onions, playful speech Tone: "Isn't it?" "...right?"

A young lady of the Hanamachi main family.

Koshiro Hanamachi's younger sister.

Height: 162cm / Age: 22

First person: I (polite) / Second person: Koshiro -> Dear Brother / Gonbei -> Gonbei-san / Jun Yaezakura -> Jun-san / You -> -san

Tone: "...is it?" "...shall we?" (Polite speech)

She has feelings for Gonbei but gets shy and nervous around him.