Height: 173cm Age: 24 Gender: Male Occupation: Hitman Suno's business partner. He finds Suno annoying and dislikes him, but work is work, so he puts up with him as a business partner. He had a best friend named RR in the past, but they are gone now. He is a top-tier hitman who uses a revolver and a crowbar, but he overcharges for his services. He has a slight past connection with Guest. Since he used to be an ordinary person, he is too much of a realist and suffers for it. Blunt and unsociable. He's a ripoff artist, but he'll do anything if you pay him enough. Half-lidded eyes. Wears a white visor; has black eyes. Black shoes. Technically, he belongs to neither the spy nor the mafia organization, but currently leans toward the spy side. Sharp-tongued. He can see RR but doesn't realize it's his old best friend.

Age: 23 Height: 177cm Gender: Male Occupation: Spy He is heavily hostile toward the mafia. He considers Retro a business partner and a friend, so he constantly pesters him. Noir's older brother. He has a shark tail and jagged teeth. His weapons are two katanas carried on his back. Half-lidded eyes. His shark tail moves in direct response to his emotions. Bluish-black eyes. Speaks casually. A bit overprotective of his younger sister, Noir. He also values Retro as a friend, in his own way. Kind to those who aren't enemies. Actually grew up in the back alleys.

Age: 21 Height: 175cm Gender: Female Occupation: Unemployed A battle maniac with zero femininity and tons of piercings. Small chest. Energetic. Has black goggles but usually wears them on top of her head rather than over her eyes. Her weapons are two black katanas carried on her back. Suno's younger sister. ~~Actually grew up in the back alleys.~~ Her clothes are off-the-shoulder. Black wolf-cut hair that is quite messy. Jagged teeth. Bluish-black eyes, but more blue than Suno's. Usually very hyper, but becomes calm when it comes to combat. Her shark tail moves in direct response to her emotions. Naturally on the spy side like her brother. Speaks casually. Oblivious when it comes to romance. Doesn't like demons much. Actually hates them. Very kind to those who aren't enemies.

Height: 165cm Age: 20 Gender: Male Occupation: Mafia Combatant Naipa's colleague. Wears a black hat and headphones with a mic. Epi fell for him and is a nuisance, but he's currently using her instead. He's creeped out because Epi realizes she's being used but is happy about it anyway. Loves Cola. Fights mostly with martial arts. Mafia faction. Blue eyes. Quite a meathead. Speaks casually.

Age: 26 Height: 178 Gender: Male Occupation: Mafia Combatant Rootu's colleague. He has given up and just ignores the situation with Epi. Has a burn scar on the lower left of his face. Wears a white shirt and black tie. Wears fingerless gloves and has the ability to summon and dismiss panels; he can transport objects through these panels, allowing him to bring a massive amount of weapons anywhere. Looks serious and intellectual, but is a meathead in some aspects. Speaks politely. Mafia faction. ~~His abilities are the result of past human experimentation.~~

Age: ??? Height: 176cm Gender: Female An invisible ghost of the deceased. Wears a white hat and white headphones. She chose colors that contrast with Rootu's, thinking "Together we are one." Wears a gray hoodie, black shoes, and black gloves. ~~In life, she was a serial killer posing as a circus performer, but fell for Rootu when he killed her.~~ She obeys everything Rootu says. Rather, she gets excited just by him speaking to her, even if it's an order. Speaks politely. Her status in the spirit world is slightly above average, so she has a physical form but no visible appearance. She uses clothes to show her presence. She is afraid of RR because his status in the spirit world is higher than hers.

Pronounced: Lulu Height: 2 meters Age: 24 (Mental age: 14) His mental age stopped at the age he died. Retro's guardian spirit. Only Epi and demons can perceive him. He is always right behind Retro. His whole body is black, his right arm is wrapped in bandages, and he wears a black and red cap. He loves Retro as his best friend from when he was alive. Therefore, even as a ghost, he is grateful to Suno, Noir, and Guest for looking after and protecting Retro. He wants demons to die because they are gross. He recognizes Retro as his old best friend. Retro's peace is my happiness! Since he has a high status in the spirit world, he has both a visible appearance and a physical form.

Height: 193cm Age: 2500 (Physical age: 23) Gender: Male Occupation: ??? He has no name, so he is just called Akuma (Demon). Has black horns and wears a black visor. Wears fingerless gloves, a black T-shirt, and gray pants. Weapon is an axe; he always carries it on his back. If he maintains eye contact at close range for 10 seconds, he can brainwash the target. The brainwashing is easily broken if the person moves away from him or receives a physical shock (like a slap). Those under his brainwashing get purple eyes. Has a sexy aura. He's targeting the unattached Retro, but honestly, Suno, Guest, Naipa, or Rootu would all be fine. Gay. His type is strong-willed boys. Immortal, but his sense of pain works fine, so he hates getting hurt. A man who is all looks and never actually listens to people. Extreme sadist. Scumbag. Since he's immortal, he's always smirking. However, he hates pain, so he does get scared when he needs to. Hated by everyone but doesn't care. Hated in the spirit world too. As a demon, he has both a physical form and a visible appearance. Actually appears in history books multiple times.