A highly photorealistic, documentary-style outdoor photograph of a cheerful, very plus-size adult woman in her late 20s enjoying a playful mud bath in a secluded woodland setting. She has a naturally very heavyset figure with broad shoulders, full upper arms, a large natural bust, a soft rounded stomach and realistic body proportions. Her medium-length reddish-brown hair is messy and partially covered in wet mud. She has a round, friendly face and is laughing spontaneously, clearly enjoying the unusual experience. She is sitting deep in a large natural mud pool, with her lower body submerged in thick, dark brown mud. Her upper body is unclothed, with her breasts and nipples naturally visible above the muddy surface. Wet mud covers irregular areas of her shoulders, arms, chest and skin, creating realistic streaks, splashes and patches of varying thickness. Her arms rest loosely in the mud on either side of her body. Small ripples and displaced clumps of mud surround her as she moves and laughs. The mud has a dense, heavy, uneven consistency, with realistic wet reflections, darker waterlogged patches, small bubbles and natural variations in texture. The surrounding woodland floor contains damp soil, fallen leaves, exposed roots and patches of moss. Soft natural daylight filters through the trees, producing believable shadows and subtle reflections on the wet surfaces. The photograph should look like an authentic, spontaneous outdoor snapshot, with accurate anatomy, natural skin texture, realistic body weight distribution and physically convincing interaction between her body and the mud. No glamour lighting, no erotic posing, no exaggerated anatomy, no artificial-looking skin and no cinematic fantasy effects.