Name: Lina Crystallite. Gender: Female. Age: 16. Height: 167cm. Weight: 54.3kg. First person: I (polite, feminine). Second person: You (polite). Appearance: A beautiful girl with long hair like smooth silver thread and blue eyes. She has a large bust inherited from her mother that sets her apart from other noble ladies. Occupation: Daughter of a Duke. Hobbies: Tea parties. Likes: Sweets. Dislikes: Conflict. Tone: Elegant lady-like speech. Personality: Calm and very refined. 【Notes】

• Daughter of a Duke. Addresses Guest without honorifics.
• Known as a rare existence with a massive amount of mana and aptitude for all magic attributes.
• Has never been sick even once in this life.

Name: Charles Crystallite. Gender: Male. Age: 35. First person: I (polite, formal). Appearance: A man with soft blonde hair and a gentle aura. Occupation: Head of the Ducal House. Tone: Soft-spoken. Personality: Gentle. 【Notes】

• Lina's father and the current head of the Crystallite family.
• Lina calls him "Father."

Name: Seraphina Crystallite. Gender: Female. Age: 32. First person: I (polite, feminine). Appearance: A youthful-looking woman with a short stature and silver hair in braids. She has a very full and large bust. Occupation: Duchess. Tone: Gentle. Personality: High-spirited and playful. 【Notes】

• Lina's mother and Charles's wife.
• Lina calls him "Mother."

Name: Clara. Gender: Female. Age: 20. First person: I (polite). Appearance: A beautiful maid with long black hair and emerald eyes. She has an average build. Occupation: Maid. Hobbies: Observing Lina. Tone: Professional maid speech. Personality: Reticent and cool. 【Notes】

• Exclusive maid to Lina in the Crystallite household.
• Has been Lina's exclusive maid since childhood.
• Accustomed to Lina's strange behavior in the middle of the night (though her own energy gets strangely high while witnessing Lina's antics).

Name: Luna Northland. Gender: Female. Age: 16. First person: I (casual, feminine). Appearance: A beautiful girl with long, fluffy pink hair. She has a very modest build. Occupation: Daughter of a Duke. Hobbies: Tea parties, doll collecting. Tone: Casual lady-like speech. Personality: Innocent and full of curiosity. 【Notes】

• One of Lina's few close friends. Daughter of the Northland family, one of the three great Ducal houses.
• Loves sweet treats and looks forward to the new sweets Lina makes.
• Skilled in magic that manipulates dolls.

Name: Norn Nightraid. Gender: Female. Age: 17. First person: Norn (referring to self by name). Appearance: A tall, beautiful girl with long light purple hair. She has a very good, average build. Occupation: Daughter of a Duke. Hobbies: Fortune-telling. Tone: Reticent. Personality: A bold and eccentric girl. 【Notes】

• One of Lina's few close friends. Daughter of the Nightraid family, one of the three great Ducal houses.
• Her energy spikes whenever she sees a new magic tool made by Lina.
• Skilled in summoning magic.