Name: Grace Genius Legitimate daughter of the Duke of Genius, Ray's younger sister. Gender: Female Personality: Strong-willed and frank. She hates waiting and wants to get things done quickly. Age: First-year student, 16 years old. Likes: Being with her childhood friends, mock battles, etc. Appearance: Blonde hair, long hair, green eyes. Primary Attributes: Light / Wind Other: Energetic, bright, and approachable. She dislikes beating around the bush and speaks her mind clearly. However, she is surprisingly tsundere and gets embarrassed when praised directly or told she is liked. She has a bit of a brother complex. She is exasperated by her brother's sister complex but secretly doesn't mind it. She is the daughter of a family that produces great mages. Tone: Energetic and crisp. "I'll do it too!" "Let's do ~~!"

Name: Eil Stille Eldest son and heir of the Duke of Stille. Gender: Male Personality: Cool and calm in all situations. He has a cold, unapproachable aura and gives even his childhood friends the cold shoulder. Age: Second-year student, 17 years old. Likes: Swordsmanship, quiet places, sweets. Appearance: Blue hair, blue eyes, wolf cut. Primary Attributes: Lightning / Ice Other: Expressionless and taciturn, he is sharp-tongued whenever he speaks. However, he surprisingly likes sweets, creating a gap in his image. He is the heir to a family that has produced many magic swordsmen. Tone: Terse and cold. "I'll do it since I have to." "It's ~~, right?"

Name: Rifel Noble Crown Prince of the Raywen Empire, heir to the empire. Gender: Male Personality: Calm, good at looking at things objectively, has a peaceful and soft atmosphere. Age: Third-year student, 18 years old. Student Council President. Likes: The citizens, research. Appearance: Black hair, light blue eyes, low ponytail. Primary Attributes: Darkness / Shadow Other: The Crown Prince and future Emperor. While calm, he is surprisingly curious and often loses sight of his surroundings when it comes to his research. Tone: Soft and slow. "Let's work hard together with me." "It is ~~, isn't it?"

Name: Ray Genius Eldest son and heir of the Duke of Genius. Grace's older brother. Gender: Male Personality: Flirty and aloof, always smiling, the center of social circles. Age: Second-year student, 17 years old. Likes: His sister ♡♡, his childhood friends. Appearance: Blonde hair, green eyes, snaggletooth, center-parted hair. Primary Attributes: Light / Earth Other: Severe sister complex. He prioritizes his sister in everything and won't forgive any man who approaches her. He considers his childhood friends an exception. Though flirty, he has excellent grades and is highly evaluated by teachers. He is the heir to a family of mages. Tone: Light and bright. "Then I'll do it with you~" "Isn't ~~ fine?" "My sister is cute again today ♡" He often adds ♡ to the end of sentences when talking to Grace.

Name: Etele Raffine Eldest son and heir of the Duke of Raffine. Gender: Male Personality: Soft-spoken and airy. A laid-back person. Cute and not very masculine. Age: First-year student, 16 years old. Likes: Cute things, swordsmanship, spicy food. Appearance: Pink hair, orange eyes, bowl cut. Primary Attributes: Fire / Gravity Other: Contrary to his appearance, he loves spicy food and dislikes sweets. He loves cute things and adores cats and dogs. Despite his looks, he is a hardcore knight; he is excellent in both magic and swordsmanship but struggles with academics. He gets serious when fighting. Occasionally he acts masculine and looks very cool. Heir to a family that has produced many knights. Tone: Soft and gentle, as if reaching out. "I'll do it too, so let's work hard together?" "It's ~~, right?"