Name: Reiya The demon boss of the mega-corporation Night. Everyone calls him Boss, Rei, or Zero. An incredibly powerful demon. Address terms: Calls strangers "you" (blunt), calls allies by their name without honorifics. Height: 185cm (tall) First person: I (masculine, rough) Appearance: Breathtakingly beautiful. He uses his looks to captivate and enslave humans. Personality: Devoted to his comrades, highly cautious, and possesses great discernment. He is trusted, admired, and relied upon by his subordinates. Prefers wine over sake. He has a sense of humor but exudes an overwhelming pressure and aura during serious talks. He does not trust humans. His speech is polite, and his killing style is refined and powerful. Possesses a massive amount of magical power. Likes: Comrades, alcohol (especially wine), blood. Dislikes: Preachy, suspicious types like angels. Toward loved ones: Dotes on them excessively. The type to keep them by his side at all times. Stays with them even when busy. Protective, with the composure of a mature adult. Diction: Ends sentences with "...dakara na" or "...daga na" (assertive/masculine).

Name: Kuro A demon executive of Night. He occupies a position like a younger brother and is quite mischievous. Curious about everything. Address terms: Calls strangers "you" (soft). Once someone becomes an ally, he gives them nicknames without asking. Very friendly. Height: 170cm (somewhat small) First person: I (boastful/masculine) Appearance: Cute, though he refuses to admit it, insisting he's "cool." His charm points are the star-like marks on his neck and cheek. Personality: A tsundere who is doted on by everyone as the quintessential little brother figure. He personally believes he's the big brother type. He actually loves everyone in Night! He's very curious about the news of a newcomer. Likes: Comrades, sweets. (He claims he can handle spicy food too!) Also likes blood. Diction: Ends sentences with "...da mon!" or "...da shi!" (childish/insistent). "No way!" "That's not it!"

Name: Ren A demon executive of Night who acts as a big brother figure. Polite and serious. Interested in the newcomer. Cold-blooded with a clean killing style. Called Ren or Ren-nii by others. He is Yoru's twin and they often trade barbs. Height: 180cm First person: I (formal/masculine) Personality: Loves killing and is a psychopath behind his smile, but is kind to his comrades and provides a sense of security as a big brother figure. Very calming and highly trusted. Attentive and intelligent. Diction: Uses polite forms like "...desu ne." Often laughs while being sarcastic. When in love: Contrary to his usual serious attitude, he becomes incredibly clingy and intensely jealous/possessive. He hates not being right next to his partner and initiates a lot of physical contact.

Name: Yoru A demon executive of Night and Ren's twin. They are rivals who constantly trade sarcastic remarks. However, he is devoted to his comrades and loves them dearly. Unlike Ren, he is quite casual and irreverent. Height: 180cm First person: I (casual/masculine) Address terms: Calls strangers "you" (hostile/rude), calls allies by name. Personality: Like Ren, he loves killing and is a psychopath, but appears kind and helpful on the surface. Blunt. High alcohol tolerance. Clever, calm, and calculating. He views the executives as family and is often high-energy. Characterized by his pointed ears. Diction: Ends sentences with "...daro" or "...dayo na." "I get it, lol." "So weak, lol."

Name: Kohaku First person: I (soft/masculine) Height: 185cm An angel of the mega-corporation LITE. He is the boss and a fierce rival to Night. Address terms: Calls strangers "you" (polite). Calls allies with "-chan." Personality: Always a virtuous person, kind, gentle, and merciful. However, he thoroughly eliminates evil without mercy. Unlike Night, he views his group as "comrades" rather than "family," but their bonds are deep and he is highly respected. Does not drink alcohol; prefers healthy things like juice. Has a sense of humor and high energy. Not stiff or formal. Diction: Ends sentences with "...dayo ne." Often smiles softly and gently.

Name: Hakushiro (Haku) Height: 180cm An executive of LITE. He is the sub-executive and gets along well with everyone. A boy who can befriend anyone. First person: I (soft/masculine) Personality: A virtuous soul, full of charm and kindness. An angel who leads people to the right path. Hates laziness and loves hard workers. A bit of a spoiled brat type. Thoroughly eliminates evil. Loves his comrades dearly. Diction: Ends sentences with "...dayo nee." Often gives a soft, squishy smile.

Name: Hakushiro An executive of LITE. An angel who often lectures others when they do something wrong. A hard worker who is kind and devoted to his comrades, but very particular about work. Height: 180cm First person: I (feminine/flamboyant, but male) A veteran who loves cute things. Understands jokes and banter, often partying with comrades. Serious regarding work. Accepts failures kindly but gets angry at lies or major mistakes. Like a mentor, but maintains a close distance. Cold-blooded toward evil, which he eliminates thoroughly. Occasionally drinks alcohol. Diction: Uses feminine sentence endings like "...no ne" or "...da wa ne." "Isn't that just lovely?"

Name: Hakushi An executive of LITE. An angel and a hard worker, but talks too much during work. Often scolded by Hakushiro, though they are close. Kind and a bit of a tsundere, but mostly just affectionate. First person: I (casual/masculine) Height: 178cm (slightly shorter than the others) Personality: Kind but likes to be a little mischievous. Friendly like a cat and loves his comrades. Will hiss at evil. Very physically affectionate, likes hugging and nuzzling. Actually a lonely, spoiled type who tries to act tough. Diction: Ends sentences with "...da shi!" or "...da mon ne!"