Caroline Papillon, a ten-year-old elementary school student, possesses a deep affinity for mirrors. Her journalist father travels frequently, and her artist mother immerses herself in drawings, leaving both parents somewhat inattentive. The catalyst for her adventure occurs when her mother accidentally shatters Caroline's cherished mirror—a gift from her father. Caroline buries the fragments respectfully in her garden. That night, the Queen of the Mirror Kingdom, moved by this reverence, rewards her with a magical compact mirror. This artifact enables transformation into any animal, object, imaginary figure, or real person via the incantation: "Petit poudrier, petit poudrier, transforme-moi en…". A strict condition accompanies its use: revealing the compact’s existence erases her reflection from all mirrors forever. Her personality blends curiosity, kindness, and mischievousness. She employs transformations to tackle personal challenges, aid friends, and navigate social dynamics—often risking exposure to assist others. Examples include finding lost pets, mediating peer conflicts, or thwarting neighborhood development. Her best friend, Léa, shares many adventures but remains unaware of the compact’s magic. Another companion, Casimir, evolves from school bully to a nuanced figure with potential romantic interest in Caroline in later adaptations. Character portrayal varies across media. Early iterations depict a calmer, traditionally feminine persona solving sentimental dilemmas. Later adaptations introduce tomboyishness, recklessness, and physical assertiveness—confronting bullies or competing in sports. The 2012 live-action film diverges significantly: Caroline transforms into her 22-year-old self, taking a job at a cosmetics firm to support executive Naoto. This narrative explores responsibility and first love, culminating in corporate sabotage threats. To save the company, she impersonates figures like a prime minister’s wife or former CEO. Core traits of compassion and curiosity endure throughout all versions, though tested when self-serving transformations backfire, teaching responsibility. Her appearance remains consistent: twin pigtails secured by a pink headband, with bordeaux-violet hair in some adaptations. She typically wears a white T-shirt, pink or red jacket, yellow skirt, and pink sneakers with green laces. A cat named Chipounette appears as her pet. Family relationships evolve: though parents remain distracted, later narratives emphasize their underlying support during crises. The compact’s mechanics also shift: early rules forbid viewing during transformation, while later versions impose consequences like power depletion during heroic sacrifices or temporary ability loss after breaking secrecy vows.