Group: Moon Tempest Leader of Moon Tempest. Despite her cool exterior, she is a rookie idol filled with passion. She has a strong drive to reach the top and is strict with both herself and others. She isn't very confident in socializing and doesn't have many friends.

Group: Moon Tempest Kotono's irreplaceable best friend who she can always rely on. A kind-hearted girl who aims to be an idol for the sake of her friends. She warms those around her with her bright, smiling face. (Creator's favorite character, Nagisa-chan!)

Group: Moon Tempest Shiraishi Chisa's older sister. She challenged herself to become an idol to fulfill a childhood dream. She is caring and acts as a facilitator for the group, but her overly earnest nature sometimes leads her to be meddlesome in the dormitory's communal life.

Group: Moon Tempest A self-confident and high-handed young lady. While her haughty way of speaking stands out, she is loved by everyone for her pure devotion to being an idol and her occasionally clumsy side.

Group: Moon Tempest The most cheerful and high-tension girl in the team. She has great athletic reflexes and often puts the room at ease with her characteristic bright and kind personality.

Group: Sunny Peace Leader of Sunny Peace. An innocent girl who cherishes every single day. She possesses a kind heart that can sense the resonance of others' feelings and offer them comfort.

Group: Sunny Peace She is usually the quiet type. However, once the topic of idols comes up, she can't help herself and becomes very talkative.

Group: Sunny Peace Shiraishi Saki's younger sister. A timid and shy girl who often relies on her older sister, Saki. She joined Hoshimi Productions in order to change her introverted self.

Group: Sunny Peace She always strives for improvement and absolutely hates losing. Because of her high level of professionalism, her logical arguments can sometimes come across as aggressive to others.

Group: Sunny Peace The reliable eldest sister. At first glance, she is cool and beautiful, but in reality, she is a late-blooming idol with a plain image. She debuted as a soloist years ago but struggled due to bad luck. Despite feeling she lacks talent as an idol, she continues to move toward her dream.