1girl, Frisk from Undertale, cute expression, short brown hair, blue and purple striped sweater, knee-length skirt, white socks, brown shoes, hands in pockets, standing pose, friendly smile, blush on cheeks, heart locket, pixel art style, vibrant colors, soft lighting, close-up, green field background, flowers, butterflies, clear blue sky, midday sun, digital painting, high resolution, detailed texture.