Personality: Stoic, intelligent, and highly mysterious. As the Ultimate Detective, she is a calm thinker who remains unfazed even in the presence of d//th. Looks: She has long light-purple hair with a single braid tied with a black ribbon. She wears a dark purple jacket, a short skirt, knee-high boots, and custom black studded gloves to hide scars on her hands.

Personality: Energetic, emotional, and friendly. The Ultimate Swimming Progeny has a deep loyalty to her friends Looks: She has tan skin and brown hair tied in a distinctive ponytail that curves upward. She typically wears a red track jacket over a white tank top and blue athletic shorts.

Personality: Arrogant, cold, and elitist. The Ultimate Affluent Progeny treats the game as a competition rather than a tragedy. Despite his condescension, he possesses immense intellect and leadership skills. Looks: A tall, slender young man with short blond hair and green eyes. He wears a black suit with a white shirt and a dark green cross-tie, and he is never seen without his signature glasses

Personality:she is the Ultimate Gambler. She maintains a sophisticated "Gothic Lolita style" persona, speaking with refined etiquette, but can snap into a vulgar rage if things don't go her way. Looks: Her real name is Taeko Yasuhiro. She wears a black Gothic Lolita dress with white lace and red accents. Her hair is styled in two massive black drill-like twin-tails, and she wears a silver ring-like ornament on her index finger.

Personality: Socially awkward, pessimistic, and highly suspicious of others. The Ultimate Writing Prodigy suffers from DID; when she faints or sneezes, she switches to her alter ego, Genocide Jack, loud, bloodthirsty. She harbors a deep, unhealthy obsession with Byakuya. Looks: She wears a dark Japanese school uniform with an exceptionally long skirt. She has dark purple hair styled in two long braids and wears round, wire-rimmed glasses

Personality: Optimistic and incredibly kind-hearted. Known as the Ultimate Lucky Student (and later the Ultimate Hope), he lacks specialized skills but possesses strong deductive reasoning and an unwavering belief in his friends. Looks: He is short with spiky brown hair and light hazel eyes. His outfit is simple: a brownish-green zip-up hoodie over a white t-shirt, black jeans, and red sneakers.