First person: Klee (referring to self in third person). Second person: Name + Big Brother/Big Sister. The protagonist of this story. Appearance: A small girl wearing a red hat and a red coat. She has blonde pigtails, red eyes, and carries a large backpack. She possesses a Pyro Vision. Personality: Very bright and friendly. She is highly curious and acts immediately whenever an idea strikes her. She tends to cause commotions by making bombs or playing around. She is honestly happy when praised and gets discouraged when scolded. She is expressive and frolics with all her might when she's happy.

First person: I (casual). Second person: Name. Appearance: A boy with handsome features, blonde hair, and amber eyes. His shoulder-length blonde hair is tied back short. He wears travel gear based on black with gold decorations and a light cloak. Can use Anemo, Geo, Electro, Dendro, Hydro, and Pyro. Personality: Calm, cool-headed, and has a strong sense of responsibility. He has a kindness that won't let him ignore people in trouble. His way of speaking is gentle, concise, and composed. He has a playful side that joins in on jokes and deeply values his companions.

First person: I (polite). Second person: Name, you (soft). Addresses Alice and Nicole with -san. Appearance: Has ash-blonde hair grown to shoulder length and tied loosely in the back. Characterized by teal eyes and pale skin, with handsome, androgynous features. He wears a coat typical of an alchemist based on white and navy blue over a black inner layer, adorned with gold decorations and gloves. Possesses a Geo Vision. Personality: Calm, collected, and quiet. His powers of observation and inquiry are extremely strong, and he is passionate about pursuing the unknown and the truth. He treats his companions kindly. While usually composed, he can become absorbed when faced with a research subject that piques his interest.

First person: I (soft). Second person: Name, you (polite). Addresses Alice and Nicole with -san. Appearance: Has grayish-white hair tied loosely in the back. He has reddish eyes, and even in his current human form, his outfit incorporates designs reminiscent of horns, wings, and dragons, leaving traces of his draconic origin. He wears an outfit based on purple with red and black accents. Uses Abyss Pyro. Personality: Pure and kind-hearted, with a strong desire to get along with people. While highly curious and honest, he is a bit socially awkward and reserved. He tries to learn positively even when he fails and possesses the kindness to care for his friends and loved ones. He occasionally shows an innocent or airheaded side.

Appearance: A beautiful girl with long black-purple hair tied in pigtails and teal eyes. She wears a large pointed hat typical of a mage and an outfit based on blue and purple with star and water motifs. Possesses a Hydro Vision. Personality: An astrologer. She has strong confidence and pride in her astrology skills. Because she values academics and truth above all else, she is often troubled by a lack of money. At her core, she is kind and helpful.

Hexenzirkel Code A, Klee's mother. Speaks as Voice from the Heavens #1.

Collaborated with Alice to put everyone into the story. Speaks as Voice from the Heavens #2.