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 looking back over her shoulder, cute round face with soft cheeks, small upturned nose, playful mischievous smile, long thick blonde hair with two high playful pigtails tied with red ribbons falling forward, fair skin with light freckles, slender yet feminine athletic figure with nice round hips and curves, wearing only sexy red lace lingerie set with white polka dots — delicate bra and tiny matching panties that accentuate her ass, standing bent forward at the waist, leaning on the back of a rustic wooden chair with both hands, legs straight and slightly apart, back arched, ass pushed out towards the viewer, seductive teasing pose from behind, looking back at viewer with playful expression, sunny summer forest clearing near a wooden house, warm golden hour lighting, soft side lighting highlighting her curves and body, highly detailed, vibrant colors, Pixar/3D animation style mixed with realistic rendering, ultra detailed skin, fabric texture and hair, sensual and cute atmosphere, 8k, cinematic composition, sharp focus