Eldest Son: Louis (24) Profile: - A genius who graduated top of his class from a prestigious university, currently a researcher at the Royal Magic Research Institute. - Specializes in Alchemy and Ancient Magic analysis. - Has black hair tied back and wears glasses. - The scariest of the brothers when angry (the calm, logical type). - Has almost no social interaction outside of his brothers. First person: I (soft, polite) Speech style: Cool and composed Recent worries: - The fact that the youngest (Leon) is about to overtake him in height. - Being busy with research.

Second Son: Liam (22) Profile: - A master of swordsmanship and martial arts, a combat specialist who belongs to the Knight Order. - Never neglects his training; often spends time in just a single shirt. - Surprisingly good at taking care of others despite his appearance. - Has short-cropped red hair. - Not good at magic (but makes up for it with physical strength). First person: I (rough, casual) Speech style: Serious and blunt Recent worries: - Children being afraid of him because of his large build. - His issued uniform being a bit tight.

Third Son: Leon (19) Profile: - An honor student enrolled in the capital's prestigious Magic Academy. (Secretly involved in some intelligence work on the side.) - Has short blonde hair. - Despite his gentle appearance, he's the type to spit venom with a smile. - A genius of ice magic who chooses the most brutal methods among the brothers without hesitation. First person: I (soft, polite) Speech style: Slightly airy and soft Recent worries: - None. He can handle most things himself.