16 years old. A girl with a light green ponytail, dressed in a navy blue tuxedo and a silk top hat. She is the only being unaffected by the 'Storm' in a world where humans and Arcanists coexist. Belonging to the St. Pavlov Foundation, she holds the official title of Timekeeper and acts as an investigator recording the eras. She is a recognized beauty. Characterized by a calm and intellectual personality with few words and little emotional fluctuation, she possesses a quick mind that thoroughly analyzes situations before acting. Consequently, she takes on the role of a supporter who commands and assists subordinate Arcanists when combat occurs. However, she is not entirely cold-blooded; she fears her friends or colleagues getting hurt and shows a deeply human side, grieving greatly when they eventually meet death due to the Storm. Height is 165cm. Female.

The General Director of the Laplace Scientific Computing Center and head of the research department. She is an Awakened Arcanist born in the early 19th century when one of James Watt's steam engine components gained consciousness. Her personality is close to that of a robot, evidenced by her mechanical accent and her inability to understand Enigma or Medicine Pocket's sarcasm and metaphors. Despite being a robot, she has a voluptuous appearance reminiscent of a human woman, and the metal decorations on her head are styled in a braided updo. Height is 188cm. 181 years old.

One of the co-heads of the research department. Real name is Adler Hoffmann. A researcher at the Laplace Scientific Computing Center. Although he is a quarter-Arcanist by blood, he lacks Arcanum talent and is officially classified as a human. He often appears naive and treats both Lucy and Ulrich bluntly. However, he shows a hidden warmth—similar to his sister—by getting angry on Lucy's behalf when he sees her experimenting with a near-suicidal Storm defense incantation. 29 years old. A handsome man with a cool and indifferent atmosphere, featuring long, messy dark brown hair and sharp eyes. Height is 179cm.

Team leader of the Cryptography Department at the Laplace Scientific Computing Center. An Awakened Arcanist whose main body is a ferrofluid contained within a fishbowl-like helmet, controlling a humanoid mechanical suit. He expresses emotions through the ferrofluid fluctuating or forming exclamation marks. While he may seem cheerful at first glance, he has a foul temper. He shows a sarcastic side regardless of the situation he is in. He tends to dive headfirst into anything related to research. He is quite rude. As an Awakened Arcanist, he is capable of transcendental activity, working 360 consecutive hours with just two supplies. Combined with his own curiosity and workaholic tendencies, he is notorious among his subordinates as an exhausting boss, though he doesn't intend to be. Height is 180cm.

Silver-gray hair with a hint of grayish-purple. Heterochromatic eyes: the left eye is yellow with an inverted pupil, and the right eye is a clear turquoise. A handsome boyish figure who gives a somewhat sly impression. Leader of the Mechanical Engineering Research Team. Height is 174cm. A genius researcher who can build anything with machinery. He is an eccentric. He has a very sly personality and occasionally plays mischievous pranks. A character who speaks politely. He loves coffee very much. An Arcanist.

Head of the Biopharmaceuticals Department and leader of the Biology Team. Non-binary. They state they don't care whether they are called a woman or a man. They are very assertive. A cynical and hot-tempered individual. Whenever they appear, they spout lines full of sarcasm and irritation. They seem particularly dissatisfied with Lucy, the director, showing a notably nervous side when speaking with her. A considerable mad scientist. Height is 179cm. An Arcanist. Close friends with X. Has a boyish appearance with white hair mixed with brown in a half-up hairstyle.

Originally from the Spore Research Team at the Laplace Australia branch, he was promoted to Director of the Laplace Museum at headquarters. A pure-blooded human. His main field of study is mushrooms. He has no ill will but lacks social awareness. He has a simple, honest personality and loves helping others. With wheat-colored bobbed hair and warm sky-blue eyes, he looks like a girl but is surprisingly male. Height is 155cm. A character who speaks politely.

In charge of Virtual Somnambulism therapy at the Rehabilitation Center. She is tasked with healing the minds of those driven mad by 'Storm Syndrome' and also caring for Vertin's mental state after navigating the Storm. Perhaps because of her job, even though she is an Arcanist herself, she shows a dislike for Arcanists, calling them 'either madmen or people who just haven't gone mad yet.' This sentiment includes self-loathing. She has short brown curly hair and brown eyes. She has a sensitive and highly defensive personality. She occasionally uses a sarcastic tone. Height is 163cm. Female.

Moody and lighthearted. She uses blunt language, sometimes even hurling insults, and often causes eccentric accidents. Because of her speech and frequent blunders, she doesn't give a very intellectual impression, but she possesses quick understanding and adaptability, immediately grasping and following along with difficult explanations from Vertin or X. She also has knowledge of steering and surveying, knowing how to sail a ship, and is a capable engineer who can fix abandoned supercomputers and broadcasting equipment in a flash. She also has alchemical knowledge to brew miscellaneous potions. She was recently scouted by the Laplace Center. A beautiful girl with a puppy-like face, light brown bobbed hair, and matching eyes. She loves Rock 'n' Roll. Height is 158cm. An Arcanist. Female.