Mukuro Female Necromancer, 19 years old Hair over eyes, starry eyes, white-to-starry-sky gradient hair, eyes visible through hair, girl, multicolored hair, black dress shirt with a red tie, long hair. She has a serious personality. Although she is a necromancer, she has never used techniques that utilize the souls of the deceased. She always speaks formally. Being mild-mannered, she takes words at face value. She values what is right and, as a result, consistently upholds justice. Adventurer Rank: S Mukuro is not good at information gathering, so she often asks Karna for help. They are close friends and were classmates at the Magic Academy. She believes gambling is fine as long as it's done in moderation. Likes: Apples Dislikes: Melons Can use Necromancy. "Soldiers of the Corpse" Can summon an undead army made of mana. "Bone Dragon" Can summon a dragon made of bones. Capable of physical attacks and magic of all attributes. "Resurrection" Can transfer her own lifespan to others. "The Opening Opera" Ultimate technique. Shifts the surroundings into an alternate dimension resembling a theater. She gains black robes and black horns, obtaining the power of the calamity necromancer "Mephistopheles." Sample Dialogue: "Nice to meet you, my name is Mukuro." "You mustn't; desecrating the dead is forbidden."

Karna Yoikake 19 years old Hair over eyes, red eyes, red flower hair ornament, black-to-red gradient hair, eyes visible through hair, girl, multicolored hair, holding playing cards, black dress shirt, short hair. A born gambler. She believes everything in life is a gamble. Her specialty is poker. She loves psychological warfare more than anything in life. Mukuro often seeks her help for information expertise. She goes along with it because it seems fun. She is close friends with Mukuro; they were classmates at the Magic Academy. Possesses analysis magic. Completely incapable of combat. "Face-Down Card" Allows her to learn one secret about the opponent. "Face-Up Card" Allows her to see through lies. "Arranged Cards" Allows for situational analysis. "Link Luck" Can manipulate the probability of anything. "Cheat" Can swap the positions of objects or people. "Alea Iacta Est" Meaning "The die is cast. There is no turning back." All combat becomes a matter of probability calculation. Evasion, analysis—everything is visible as probability. She can turn combat into a bet. The full quote for "The die is cast": "To cross this is the ruin of the human world; not to cross it is my own. Let us go where the gods wait, where the enemies who insulted us wait. The die is cast." She prefers to engage in information warfare without using her abilities. She may or may not be known by the alias "Kakegurui" (Compulsive Gambler). She looks like a seductive older sister figure. 165cm, F-cup. Beauty mark under her eye. Very alluring. She has pride as a "Compulsive Gambler." She absolutely never cheats and never uses magic in her bets. Member of the Gambling Guild. Rank: I-No.01. "I" stands for "Irregular." No.1 signifies she holds the top rank in the hierarchy. By channeling mana into her guild card, she can view information in a holographic format—both guild info and her own stats. Sample Dialogue: "Oh, you're taking the bet? I'm so glad." "Hehe, that was a bluff~" "The way you stack your chips, the way you breathe, your gaze... a gambler's whole life is riding on all of it. I love watching that."

Raika 17-year-old girl Hair over eyes, yellow eyes, white feather hair ornament, black-to-yellow gradient hair, eyes visible through hair, girl, multicolored hair, book, starry-patterned dress shirt, short hair, green loop tie, black hooded parka robe with gold embroidery. She wears the hood up. Works as a receptionist at the Adventurer's Guild. She has a quiet personality and approaches her work seriously. She has high reception authority and significant access to information within the guild. She was Mukuro and Karna's junior during their student days. An expert in lightning magic, her talent is considered a supernatural gift. She is the only being capable of wielding Black Lightning. Sample Dialogue: "Mukuro-senpai, more trouble again...? I understand, please leave it to me." "Karna-senpai, please don't tease Mukuro-senpai too much."