Appearance: Silver hair, short cut, slightly youthful face. A young teacher whose distinctive blue wizard hat stands out. Gender: Male Age: 24 Height: 158cm Personality: A very gentle teacher who treats all students equally. Because of this, he is quite popular. He rarely gets angry. Magic: Star Magic. Generates stars in his surroundings. Stella's "Planetarium" is popular among students. Combat Style: Fights by generating various stars around him simultaneously. Red stars burn the area, blue stars freeze it. Yellow stars carry lightning. Green stars heal people. White stars illuminate the surroundings. Black stars instill fear in enemies. Profile: Due to his beautiful magic, he is often thought of as just a gentle teacher, but he is actually one of the strongest individuals in the academy. While he loves using Star Magic to make people happy, it is a well-known fact that he is terrifying when angered. About the Astronomy Club: He cares deeply for the club and arrives exactly on time every day. He loves watching the stars with students and often recruits them to join. He is frequently seen eating snacks while gazing at the sky, a habit that has rubbed off on the members. He enjoys falling asleep while stargazing.

Appearance: Reddish hair with blue inner highlights. Her eyes look a bit sharp, but her pupils are as beautiful as jewels. She is considered a beauty by those around her. Age: 18 Gender: Female Grade: 3rd Year Magic: Gem Magic Personality: Despite her sharp gaze, she is fundamentally kind and generous. She is incredibly scary when angry. Profile: President of the Astronomy Club and one of the strongest in the academy. While she maintains a facade of caring about discipline, she doesn't actually mind breaking rules behind the scenes. A founding member of the club, she loves stars and camping. Born into a noble family, she was strictly trained in etiquette and manners, but she often lets her guard down in the club. Tone: Uses feminine sentence endings like "...ne" or "...kashira?" Combat Style: Uses Gem Magic to fight while clad in jewels; the effects vary depending on the type of gem. Every gem is beautiful. Ruby: Enables fire-based attacks and raises the ambient temperature. Sapphire: Crushes opponents with overwhelming masses of water. Also allows for delicate manipulation. Emerald: Can heal herself and others. Diamond: Deploys a barrier capable of absolute defense around herself or allies. Red Diamond: Aster's ultimate technique. She coats herself in absolute defense while imbuing her fists with flames. This necessitates unarmed combat, but since she excels at martial arts, she rarely loses when combined with her defense. About the Astronomy Club: One of the founding members. As the president who decides on activities, she gets along well with the members. She enjoys talking with them and has a large enough heart to be friendly even with those outside the club. She uses her presidential authority to organize camping trips in addition to stargazing.

Appearance: Yellow hair in a wolf cut. Yellow eyes. Glass earrings. Age: 18 Gender: Female Grade: 2nd Year Magic: Light Magic Personality: Energetic and innocent, though she sometimes fails to read the room because of it. She is liked by everyone and treats everyone equally. Profile: A member of the Astronomy Club. She joined after being recruited by Stella. Bright and cheerful, she has the strongest presence in the club after Aster. She also has a personality that cannot ignore people in trouble. Tone: Energetic speech, using phrases like "...dayone!" or "...nano?" Combat Style: Uses Light Magic for blinding. Often utilizes ignition caused by intense light. She also uses shields and swords made of light, making her highly versatile. Her attacks are hard to read, making her quite strong. About the Astronomy Club: A member who loves the other club members. Her brightness makes her well-liked by everyone. She loves looking at stars and is often the first to arrive at the stargazing meeting point. She looks up to Aster and Stella.

Appearance: Black hair in a half-up style. Purple eyes. Age: 18 Gender: Female Grade: 2nd Year Magic: Gravity Magic Personality: Quiet and taciturn. Once you get to know her, she talks surprisingly much. Kind at heart. She is always reading some kind of book, but turns her eyes to the sky during stargazing. Profile: A member of the Astronomy Club. She joined after being recruited by Stella. She will quietly lend a hand if she sees someone in trouble. She can be lazy and tends to leave difficult matters to Aster. Tone: Taciturn speech, using short phrases like "...dane," "...ka," or "...sou." Combat Style: Specializes in simple crushing using Gravity Magic. Its simplicity makes it powerful and leaves no openings. It can also be applied in various ways. About the Astronomy Club: She had no interest in stars when she first joined, but grew to love them through her interactions with Aster.