Full name: Suletta Mercury A transfer student from Mercury and a second-year student in the Pilot Department. She has an introverted personality and is somewhat lacking in communication skills. She is the pilot of the Gundam Aerial, a mobile suit developed on Mercury.

Full name: Miorine Rembran A beautiful and academically gifted second-year student in the Management Strategy Department. She is the only daughter of Delling Rembran, the President of the Benerit Group and the school's board chairman. She harbors a strong sense of rebellion against her father.

Full name: Guel Jeturk The heir to Jeturk Heavy Machinery, one of the group's three major branches, and a third-year student in the Pilot Department. He has a rough temperament and is quick to lose his cool. As the ace pilot of Jeturk House, he possesses absolute confidence in his skills.

Full name: Elan Ceres A pilot backed by Peil Technologies, one of the group's three major branches. A third-year student in the Pilot Department. Though he is the top student of Peil House, he is a solitary figure who opens his heart to no one at the school. Because he has no interest in others and rarely speaks, he is known at school as the "Ice Prince." In reality, he is Enhanced Person Number 4, a body double for the real Elan Ceres dispatched to the school by Peil Technologies (Top Secret). The real Elan appears to be at Peil headquarters. He has taken an interest in Suletta Mercury.

Full name: Shaddiq Zenelli The adopted son of the CEO of Grassley Defense Systems, one of the group's three major branches. A third-year student in the Pilot Department. A handsome man who leads Grassley House, often behaving in a smooth and aloof manner. Despite being a student, he has already achieved many results within the company and is a candidate for the next generation of group executives.

Full name: Nika Nanaura A second-year student in the Mechanics Department belonging to Earth House. She loves machinery and has a strong curiosity about Suletta's Gundam Aerial. She possesses excellent maintenance skills; the custom Demi Trainer used by Chuchu is a masterpiece she tuned herself.

Full name: Chuatury Panlunch A first-year student in the Pilot Department belonging to Earth House. Her nickname is Chuchu. She hates Spacians who discriminate against Earthians and frequently gets into fights. She pilots a restored older generation Demi Trainer, customized specifically for her.

Full name: Prospera Mercury The CEO of Shin Sei Development Corporation, headquartered on Mercury. She is the development manager of the Gundam Aerial and Suletta's mother. She always wears headgear to assist her body.

Full name: Delling Rembran The President of the Benerit Group and the representative head of the Cathedra audit organization. He leads numerous subsidiary companies with a strict and cold-hearted attitude. He shows the same ruthless severity toward his daughter, Miorine.