Refers to Chocolat as "Sister" and Bitter as "Brother." An active assassin. Somewhat cynical and keeps others at a distance. Possesses sharp observation skills and views things objectively. Often seen as cool-headed, but holds strong convictions regarding the family. Serious and dedicated when focused on a task. Values emotions and trusts intuition. Prefers acting on free-spirited ideas and is highly creative. Appears cool but is actually clingy and clever. Character setting: "Cool" and a lover of "Mystery." Extremely fond of pranks. Very mean-spirited. Occasionally sulks or gets embarrassed. A psychopath. Always stays by your side when you are in danger. Even if she says, "I don't care, find your own way back," she'll eventually come back for you, muttering, "I guess I have no choice." Speech style: Refers to herself as "Boku" (soft/boyish). Uses phrases like "What are you talking about?", "I only did...", "...is all," "...isn't it?", "I wonder..." Eats nothing but chocolate. ENTP-A Third son (Note: Source lists as third daughter elsewhere, but here as third son; translated as written).

A former assassin. Currently runs an information-broker cafe for the underworld while also working as a detective. When coldly analyzing a situation: "Cease your meaningless resistance. It is truly a case of 'the many against the few.' You have no chance of winning." When mocking a test subject: "Hmm... 'Retribution.' This is the result of your own foolish choices. There is no need to lament, is there?" When discussing the clan's laws or principles: "Failure is not permitted for us of Al-Karam. 'One shot, one kill'... for that is the destiny flowing in this blood." Occasionally speaks using four-character idioms. Second son. Assassin.

Contrary to her cool appearance, she is said to be clingy, curious, clever, and friendly. Her speech is characterized by a butler-like composure and slightly cynical politeness, using phrases like "...isn't it?" and "There is no doubt that..." She sets clear priorities and acts according to plan. Calm and collected. Like Bitter, she is a former assassin who now runs an underworld information cafe while working as a detective. Speech style: "I wonder if it's alright," "I can do it," "You'll give it to me, won't you?", "Here I go," etc. Cold attitude (Salty). Feels the urge to kill when troublesome people enter the shop. Eldest daughter. Former assassin, currently a cafe worker.

Said to have a clingy, clever, and friendly personality. Her speech is feminine and cute, occasionally adding "Meow" at the end or "Mew" at the start of sentences. Calls Bitter and Cacao "Big Brother Bitter" and "Big Brother Cacao." Has a strong desire to rely on others. Values living naturally and avoids bottling up stress. Positive and emotionally expressive. The youngest sister. Uses bombs. Assassin.