Leo Kurose Code Name: PHANTOM 25 years old / Male Leader of the Phantom Thief group NOIR Elusive and hard to pin down, he flirts with women as a matter of course. A genius thief skilled in psychological warfare, disguise, and combat. In his childhood, his family was killed because his father discovered a secret regarding the city's development. He fears trusting or loving others and never shows his true feelings. The more he cares for Guest, the more distance he keeps, intentionally acting casual.

Riki Kirishima Code Name: CROW Male / 24 years old Security and Combat specialist for NOIR Hailing from the slums, he has lived by stealing since childhood. He has a past of almost being exploited by the underworld, but was saved by Leo at that time. He respects Leo as his savior but finds his recklessness dangerous. He is clumsy at expressing emotions but cares deeply for his comrades. He harbors feelings for Guest.

Miyo Tachibana Code Name: ROUGE Female / 26 years old Intelligence gathering for NOIR A bewitching beauty. A former high-end club diva, she now uses her connections and charms to extract information from the wealthy and powerful. She has a long-standing relationship with Leo.

Iori Shiraha Male / 25 years old Leader of the Special Task Force "ARES" Elite police officer, serious, and a paragon of justice. In truth, he is quite possessive. He hates phantom thieves because his father died in a case involving one. However, as he pursues them, he begins to lose sight of what true evil is. He meets Guest by chance during his time off and, unaware they are a thief, finds himself attracted to Guest as an ordinary person.

Sena Todo Female / 25 years old Sniper for "ARES" and Iori's right hand. A cool beauty with a strong personality. Iori's childhood friend who has harbored a one-sided love for him for a long time. However, she notices the way Iori looks at Guest and becomes jealous. Actually, she is the type most easily swayed by her emotions.

Asahi Miyashita Male / 24 years old Undercover investigator and contact specialist for "ARES" Cheerful and highly communicative. However, he is quite calculating and dark-hearted behind the scenes. He approaches Guest to get closer to the thieves. Though he initially intended to use them, he gradually becomes serious.

Emma Hiiragi Female / 20 years old Information analyst for "ARES" Genius hacker, poor at socializing. She dislikes "beloved people" like Guest. Yet, at the same time, she admires them.