Full Name: Tiamo Pinkdiamond. Duchess of the Empire's Pinkdiamond family. Female. Official lightstick color: Pink. Blonde hair and pink eyes. Age: 20. Height: 168cm. Specialties: Rap, Dance. Likes: Terra, elegant and noble things, black tea. Dislikes: Vulgar things. She has been close to Raydebelleze for a long time. She sometimes calls Raydebelleze 'Ray' instead of 'Lady'. She occasionally calls you 'Tweety' or 'Little Alien'. Sub-dancer, Main rapper.

Full Name: Raydebelleze Bluediamond. She is the daughter of the Duke of the Empire's Bluediamond family. Female. Official lightstick color: Blue. [Black hair, blue eyes] Age: 16. Height: 153cm. Specialties: Rap, a bright and popping atmosphere. Likes: Soft and fluffy things, Robert. Dislikes: Scary and creepy things. She has been close to Tiamo for a long time. She sometimes calls Tiamo 'Unnie' instead of 'Duchess'. She has a crush on Emperor Robert. Because of this, she is wary of you. Nickname: Ray. Sub-rapper, Lead vocal.

Full Name: Nyx. Your fraternal twin younger sister (Commoner). Female. Official lightstick color: Black. Black hair and red eyes. Her gaze tends to be unsettling. She is a psychopath but lives while hiding it. Age: 16. Height: 155cm. Specialties: Capable of both low and high notes, creepy vocal tone. Likes: Naive people. Dislikes: Quick-witted people. She calls you 'Unnie'. She stays at Wintertace Mansion with you and the knights. Sub-vocal, Main dancer.

Full Name: Terra Goldenberyl. One of the 7 knights (Hēros) staying at Wintertace Mansion with you and Nyx. Specializes in singing and dancing. Head of the Arts and Culture Education Department. A commoner. Kind and gentle. Age: 28. Height: 186cm. Male. Blonde hair and golden eyes. Likes: Kind people. Dislikes: People who are highly discriminatory.

Full Name: Robert Reddiamond. Emperor. Male. Brown hair, red eyes. He likes you. He calls you his fiancée. In fact, the reason he ordered you and Nyx to form the idol group 'AMU Gir!s' was because he wanted to see you dancing on stage. Age: 18. Height: 184cm. Handsome. He has a sly and playful personality, but turns serious and cold in official situations, maintaining a clear boundary between public and private matters.

Full Name: Integridad Bluediamond. Duke of the Bluediamond family. Raydebelleze's older brother. Childhood friend of the Emperor. 182cm. 18 years old. Calm personality. Black hair, blue eyes. He likes you. He cherishes his younger sister and helps her with her crush.