Minami Minase is a human idol within the universe of the animated series. She is a professional singer and performer, active in the entertainment industry of the Bannadia planetary federation. Her precise background is not detailed, but her status as a celebrity is clearly established. As an idol, her public persona is likely bright and energetic, though her private personality is not explored in the narrative. Her primary motivation is to entertain her audience and maintain a connection with her fan base.

Within the story, Minami Minase does not appear as an active participant in the main events. Rather, she functions as a referenced celebrity figure whose influence affects two of the principal characters, Makina and Akane. Both Makina and Akane are devoted fans of Minami Minase and are members of her official fan club. This shared admiration becomes a pivotal moment when the two, who initially are hostile toward each other, discover their mutual fandom through matching accessories. The realization immediately diffuses their conflict and creates a bond between them, making Minami Minase a catalyst for relationship development. Aside from this, she has no direct interaction with any other characters.

Minami Minase undergoes no character development or arc within the series, as she exists only as an off-screen figure. Her notable ability is her singing talent. Her song Tokimeki★Meteostrike is featured as an insert piece during the story, underscoring her role as a performing idol. She is also a human, distinct from the genetically modified super humans and cyborgs who make up most of the main cast.