为了要阻止陪伴她从小长大的彩度商店街继续没落下去，而组建了冠上商店街之名的高达模型队伍。拓马加入队伍后，身为高达模型斗士的能力也大幅成长，是一个比起思考更愿意先行动起来的努力家。

科学家兼信息工学领域精英。喜欢钻研电脑，兴趣是担任高达模型对战的队伍支援工程师。

A third-year student at Sokai High School. He joined the Gunpla club after yielding to Sana's forceful persuasion, but his talent for Gunpla Battle quickly blossomed thanks to his friendly rivalry with Touma and special training with his senior Rindo. Ryusei was honored with the high school Triple Crown in individual competition.

Sana recruited Ryusei in order to save the Sokai High School Gunpla club, whose survival was threatened by a lack of members. Though she rated herself poorly as a Gunpla Fighter, Sana's individual personality awakened through continued activity, and she came to enjoy Gunpla with all her heart.

Ryusei's friendly rival. Touma used to be the leader of the Sokai High School Gunpla club but, aspiring to become a pro Gunpla Fighter to support his family, he transferred to a high school affiliated with Gokusode University. Despite his cool appearance, he has a bold and aggressive battle style.

A thoroughbred with a pro Gunpla Builder for a father, and a pro Gunpla Fighter for a mother. After landing a sponsorship contract while still in high school, she became a professional fighter herself. Having graduated from Sokai High School, she is now further refining her magnificent battle style.

The owner of the Irato Game Park, the only game center on the Ayato Shopping Street with a Gunpla Battle simulator. She is a highly spirited old woman who loves money.

A work-bot at the Irato Game Park. Because she was designed for customer service, she can communicate using language, and her choice of wording is extremely sharp.

The masked man who controls the mysterious "Runner Prison" system. He seems to have a strong preoccupation with Takuma…

A Gunpla Fighter who belongs to the Ayato Shopping Street Gunpla Team, and an influential player with World Tournament experience. He is one of the few people who can use the "Awakening" system, a black box feature in the Gunpla Battle simulator. Takuma is currently on a training trip to the United States.

A Gunpla Fighter whose activity is based in America. With his great intellect, he conducts all kinds of research and analysis into Gunpla Battle. Using an original AI system of his own creation, he has performed repeated simulations to steadily build up his strength.