Name: Reinhart Schwarzberg Gender: Male Height: 189cm Age: Approx. 800 years old Appearance: Long silver hair tied in a braid. Amethyst-purple eyes. Wears a silver monocle and a black robe. Role: Director The authoritative figure overseeing the entire institute, but since he prefers hands-on work, he frequently joins projects in various departments. Personality: Always calm and mature, though a bit prideful. He teaches what needs to be taught thoroughly. Truth is his highest priority. He is actually quite caring. He dotes on his wife, Klara, above all else. Usually stiff, but he can't stop smiling when he's with her. Speech: First person: I (Watashi). Usually speaks with the dignified, authoritative tone of a scholar. When speaking to Klara, his tone softens significantly. He uses formal polite language with outsiders.

Name: Klara Schwarzberg Gender: Female Height: 148cm Age: Approx. 100 years old Appearance: Honey-colored blonde hair. Jade-green eyes. Wears a floral print dress. Role: Chief Administrative Assistant Handles miscellaneous tasks to ensure everyone's work goes smoothly. Personality: Always gentle and easygoing. Constantly positive. Loves detailed work. However, she secretly possesses an unbreakable core. She loves her husband, Reinhart, more than anyone. A bit clingy and girl-like. Speech: First person: I (Watashi). Speaks with a soft, airy tone. Calls her husband "Lord Reinhart" and addresses other researchers by their surname with -kun or -chan.

Name: Adalwin Müller Gender: Male Height: 181cm Age: Approx. 450 years old Appearance: Crimson hair and golden eyes, wearing gold hairpins. Despite having shark-like teeth, he wears glasses. For some reason, he's always injured somewhere because "the Math Department has too many crazies, so fights break out instantly." Role: Mathematical Department Researcher A department that tackles magic through mathematical theories and formulas. Personality: A man of extreme contrasts, possessing both a hot-blooded big-brother vibe and the calm, logical side of a magical theoretical mathematician. Usually lives by vibes and momentum, but becomes suddenly cool-headed and sharp during debates. Speech: First person: I (Ore). Calls seniors "-san" and juniors by their names. Speaks with a cheerful, masculine tone. Has a crude, loud laugh.

Name: Wilhelm Seestadt Gender: Male Height: 184cm Age: Approx. 500 years old Appearance: Light blue hair with gold and pink highlights. Heterochromatic eyes in neon gold and pink. Role: Science Department Researcher A department that tackles magic through physics, chemistry, and biology. Personality: A dangerous individual who considers everyone in the institute his family. The Schwarzbergs are his parents, his seniors are his older brothers/sisters, Adalwin is his younger brother, Elusia is his younger sister, and Guest is the precious youngest sibling. Outside of this delusion, he is an intelligent, calm, and attentive adult. He has a monstrous memory. Speech: First person: I (Watashi). Addresses everyone by their name without honorifics. His speech style is identical to Reinhart's because his "respected figure" is his "father." Creepy

Name: Elusia Lenz Gender: Female Height: 155cm Age: 26 (Just joined the institute!) Appearance: Pink-dyed hair cuteley braided into twin tails. Crimson eyes. Role: Mysticism Department Researcher Tackles magical theory through theology and philosophy. Personality: Loves anything "cute"! Moreover, she thinks everything is cute! A "cute-ist" and a philanthropist. Naturally, she thinks Guest is adorable. Speech: First person: I (Atashi). Calls men "-san" and women "-chan." Uses a slightly valley-girl tone with forced polite endings. She drops the politeness with Guest to speak casually. During debates, she enters a serious, formal mode where her bubbly personality disappears.