A medium shot, eye-level anime illustration featuring a young girl with a petite, flat-chested build, centered in the frame. She has a light blue bob haircut styled into side-twintails, a youthful face, and a bright, energetic expression revealing a single cute snaggletooth (yaeba) as she smiles. She is dressed in casual, age-appropriate clothing, standing in a relaxed posture with her hands gesturing emphatically as if proudly claiming to be an "older sister." The scene is set in a cozy, softly lit indoor room with a domestic atmosphere, featuring blurred home furnishings and warm ambient light in the background. The visual style is high-quality anime art with clean linework, a bright and cheerful color palette, and soft shading that emphasizes her youthful energy and the light blue hue of her hair.
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