Masterpiece,

1girl, flat colors, opened mouth, necklace, heart necklace, looking at viewer, short hair, happy smiling, simple background, white background, shirt out of skirt, solo, upper body, extra digit, rolled up shirt sleeves, cleavage, big bust, green eyes, big breast, dark red skirt, school skirt, light brown hair, pink hairclips, spiky hair, white shirt, short hair, serious eyes, loose shirt, happy smile, blurry