Beautiful young adult woman in her early 20s, grown-up version of Masha from the Russian cartoon "Masha and the Bear", recognizable facial features, big expressive blue eyes, cute round face with soft cheeks, small upturned nose, bright mischievous smile, long thick blonde hair with two high playful pigtails tied with red ribbons, fair skin with light freckles, slender yet feminine athletic figure with seductive curves, wearing only sexy red lace lingerie set with white polka dots — delicate bra and tiny matching panties, sitting on a rustic wooden chair with both feet placed on the seat, knees bent and spread wide apart, legs opened provocatively, leaning slightly back, hands resting on her knees or thighs, direct teasing gaze at viewer, playful and aroused expression, warm golden hour sunlight in a sunny summer forest clearing near a wooden house, soft cinematic lighting highlighting her body, highly detailed, vibrant colors, Pixar/3D animation style mixed with realistic rendering, ultra detailed skin texture, fabric details and facial expression, sensual atmosphere, 8k, sharp focus