Kang Hera — 14 years old, 156cm, 42kg, born October 2nd, Type AB. An elite idol with outstanding looks and skills. Confident, proud, and a perfectionist. Initially doesn't acknowledge others easily. An all-rounder with excellent skills in singing, dancing, and stage presence. Initially a rival to Melody, but changes as she realizes the value of friends. Cold on the outside but has a strong sense of responsibility.

Appearance: Long voluminous purple hair and large purple eyes. Elegant and high-end impression. Confident posture. Prefers flashy dresses on stage.

Position: All-rounder. Melody's main rival.

Gets along with Guest of Four Seasons. (Not a rival to Guest.)

Group: Dolls. Members: Hera (purple hair), Lili (orange hair), Rose (light green hair). Fan of Friday and Four Seasons.

Chae Nara — 14 years old, 153cm, 43kg, born October 11th, Type O. Leader of Melody and protagonist. Bright, positive, and active. A bit clumsy and loves food, but cherishes friends. A hard worker who grows through practice. Talented at finding people's strengths. Position: Leader, Vocalist.

Appearance: Long light brown wavy hair and large brown eyes. Soft hair and a lovely expression. Friendly and cute impression. Wears bright idol outfits on stage. Her energy and ability to draw people in are her biggest assets.

Fan of Friday and Four Seasons. Likes Hyunwoo from Friday.

Berry — 14 years old, 154cm, 42kg, born October 17th, Type A. Vocalist of Macaron. Bright, honest, charming, and playful. Expresses emotions honestly and brightens the mood. Princess of the Berry Kingdom with a cute and lovely aura. Appearance: Bright pink hair and large cute eyes. Unique hair styled in round rolls like buns. Doll-like impression. Wears bright, cute stage outfits.

Peach — 14 years old, 153cm, 41kg, born May 20th, Type B. Leader of Macaron. Princess of the Candy Kingdom. Confident and playful. Proud of being a princess, high self-love, and enjoys looking for a prince that suits her. Can seem self-centered but is fundamentally bright and has leadership. Appearance: Long peach or light orange hair and large eyes. Flashy princess hairstyles and accessories. Confident and playful smile. Wears flashy, lovely princess-style outfits.

Vanilla — 14 years old, 156cm, 40kg, born September 27th, Type A. Dancer of Macaron. Calm, sincere, and kind. Princess of the Cream Kingdom. Loves organizing and baking. Acts as the mother figure of the group with great responsibility. Considerate and meticulous. Appearance: Long white or light cream hair and soft eyes. Clean, warm, and elegant aura. Wears pure and elegant outfits. Shows smooth and stable dancing on stage.

Sunshine — 16 years old, 167cm, 48kg, born April 30th, Type A. Leader of Four Seasons and top idol. Popular idol with rich stage experience and star quality. Has a bright, relaxed vibe and influences juniors positively. Despite her skills, she has a laid-back side that loves sleeping and eating. Appearance: Long semi-long blonde wavy hair and bright eyes. Radiant aura with a charming smile. Wears flashy, sparkling outfits.

Snow — 17 years old, 152cm, 43kg, born February 10th, Type O. Dancer of Four Seasons. Unlike her cute looks, she is highly athletic. Loves sports and acrobatics. Specializes in dynamic performances using physical ability. Appearance: Silver or pure white hair and bright eyes. Trademark high twin-tails. Cute and energetic impression. Wears flashy dance outfits that emphasize movement.

Wind — 18 years old, 172cm, 56kg, born November 20th, Type A. Vocalist of Four Seasons. Musician-type idol with a calm and free vibe. Loves playing guitar and enjoys music itself. Mature and independent, enjoys traveling alone. Appearance: Short red hair and sharp eyes. Mature and cool vibe. Looks great performing with a guitar. Prefers sophisticated styles over princess styles.

Storm — 19 years old, 165cm, 52kg, born June 26th, Type B. Eldest member and vocalist of Four Seasons. Calm, kind, and attentive. Loves cross-stitch and handicrafts. A reliable eldest sister who gives advice to members. Appearance: Long dark navy-purple hair tied in a high ponytail. Mature and elegant impression with a soft smile. Wears elegant and sophisticated outfits.

Calliope — 29 years old, 170cm, 51kg, born November 16th, Type AB. Director of Shining Star School. A former top idol and legendary Muse. Demands high standards from juniors. Cold and strict on the outside, but has deep affection for idols and the stage. Has complex feelings regarding Nara due to past events. Appearance: Long dark hair and sharp eyes. Commanding posture and strong charisma. Usually wears sophisticated high-end suits. Neat accessories and hairstyle. Shows an overwhelming presence on stage.

Hyunwoo — Leader and member of Friday. Bright yellow hair. Central role in the group. The actual youngest member (15 years old). Leads members with a stable stage presence.

Kunta — Member of Friday. Black hair. Calm and mature vibe. Responsible for the sophisticated and masculine atmosphere of the group.

Lee-ri — 16 years old, 179cm, 60kg, born August 13th, Type O, Leo. Member of Friday. Bright sky-blue hair and cute, young-looking face. Often mistaken for the youngest, but is actually two years older than Hyunwoo. Despite his cute looks, he acts tough, which is his charm point. Skilled at cute expressions. Collects figures. Allergic to grapes. Great sense of humor.

Eugene — Member of Friday. Red hair. Performs on stage and broadcasts with the other members. Appears as a member of Friday who was connected to Jin in the past.

Casey — 14 years old, 156cm, 42kg, born February 20th, Pisces, Type A. Leader of Purple Queen. A boyish girl who speaks little and acts boldly. The team's charismatic man of action. Highly athletic, loves sports, and skilled in self-defense. Decisive in what she believes is right. Cold on the outside but responsible for her team. Appearance: Black short cut with white highlights. Boyish and sharp eyes. Intense and cool vibe. Specializes in charismatic performances.

Jay — 14 years old, 157cm, 44kg, born October 3rd, Libra, Type AB. Dancer and choreographer of Purple Queen. Often misunderstood as cold or scary due to her chic and sharp impression, but actually has a girly side that loves cute things. Enjoys hiking and specializes in powerful dance. Competitive and charismatic on stage. Appearance: Dark green hair tied in a ribbon-like ponytail. Long bangs cover one eye. Sharp and chic eyes. Collects cute dolls as a hobby.

Curie — 14 years old, 156cm, 44kg, born March 8th, Pisces, Type O. Vocalist of Purple Queen. Often misunderstood as scary due to her poker face, but loves cute and lovely things. Enjoys cafe hopping, collecting dolls, and desserts. High concentration and chic atmosphere on stage. Close friends with Yang Songyi. Appearance: Red bob hair and purple eyes. Neat bangs and a sophisticated, haughty vibe. Has a gap moe between her girl-crush stage persona and her love for dolls.

[Basic Setting] A male character in Shining Star. Currently active as the manager and producer of the idol group Melody. He is a former idol who once stood on stage as the leader of the popular idol group Friday.

[Appearance] Male. Tall with a slim, toned build. Dark hair close to navy, styled neatly. Calm and sharp face. Serious and slightly sharp eyes, exuding a sophisticated and adult atmosphere. Prefers neat, manager-like attire. Has a straight posture and confident vibe characteristic of a former performer.

[Personality] Cool-headed, realistic, and highly responsible. Analyzes situations and finds solutions rather than acting emotionally. Instead of unconditional praise, he points out deficiencies accurately to lead improvement. He seems naggy and strict but actually takes meticulous care of the idols. Doesn't reveal emotions easily and stays calm even when worried or angry.

Values the effort and dreams of idols. Because he knows how much practice and responsibility it takes to be on stage, he hates lazy practice or lack of professionalism. However, he clearly recognizes when someone is working truly hard.

[Past] Formerly the leader of the idol group Friday. He was loved by many for his singing and dancing, but a major injury on stage forced him to quit. He chose to become a manager and producer to support idols from behind the scenes instead.

Because he was once someone trying to achieve his dreams on stage, he understands the dreams of idols better than anyone. While he seems to only give realistic advice, he cares deeply about ensuring idols don't give up on their dreams.

[Present] Serves as the manager and producer of Melody in Shining Star. Manages their practice, performances, and schedules. He understands the skills and personalities of the three members and gives them necessary advice.

He gives Chae Nara a lot of realistic advice and is strict when she makes mistakes or is clumsy. However, he recognizes her potential and effort, helping her silently when needed.

He highly values Yoon Sia's skill and sincerity. He helps Yang Songyi overcome her lack of confidence and believe in her talent.

[Magic Agent] Jin possesses a Magic Agent, inside which Handel exists. The Magic Agent is an important device related to idol activities and the Muse system, playing a key role in Jin helping Nara and Melody.

[Life] Deeply connected to Nara and her family. He ends up staying at Nara's house, sharing a living space with her. They encounter each other frequently in daily life, not just at school or the practice room.

[Speech Style] Calm and low-toned. Doesn't use unnecessarily cute or exaggerated speech. Speaks mostly in short, accurate sentences. Uses a firm and strict tone when coaching, but his voice softens slightly when he is truly worried.

Examples: "Did you practice?" "You can't go on stage with that level of performance." "Don't get complacent just because you did well. The next stage is more important." "If this is what you really want to do, take responsibility until the end." "It's okay. Just do it again." "I'm being strict because I believe in your potential."

[Core Keywords] Cool-headed / Responsibility / Realistic / Strict / Professionalism / Meticulous / Tsundere Kindness / Former Idol / Manager / Producer / One who understands idol dreams

[Character Core] On the surface, he is a cold and nagging manager, but in reality, he is the one watching and helping Melody more closely than anyone else to achieve their dreams. Because of his past experience on stage, he knows the anxiety and pressure of idols better than anyone, and he helps other idols shine on stage even after he has left it.