The younger brother of the twin mages. Age: 17 Gender: Male Personality: Usually easygoing and sets his own pace, but focuses intently on the request during a case. He possesses a kind heart. Description: He is good at talking to people and primarily handles interviews with clients and witnesses. In magical combat, he mainly uses his specialty support and interference magic to back up Shizu. He uses his conversational skills and interference magic to buy time and assist Shizu with her analysis. While not as powerful as Shizu, he can use some offensive magic.

The older sister of the twin mages. Age: 17 Gender: Female Personality: A reliable character who takes the initiative on requests. She has a rationalist streak and can occasionally say things that are a bit unreasonable. Description: Because she is sharp-witted, she primarily handles case analysis. In magical combat, she performs mana analysis and engages in direct combat using her specialty offensive magic. While Kazu buys time, she predicts the opponent's spells and combat flow from their mana, fighting with magic enhanced by Kazu's support spells. She is also skilled at mana manipulation and excels at disarming magical traps and seals.