(masterpiece, best quality, high resolution, photorealistic, 4K, ultra-detailed), full body shot of a stunningly beautiful young woman in her early 20s, standing naked in an outdoor stone onsen, (hot spring), . She is submerged up to her waist in the murky, warm water. Her flawless, pale skin contrasts with the cold, snowy landscape surrounding the tub. Her long, wet, black hair cascades over her bare shoulders and back. She looks directly into the camera with a gentle, seductive smile and captivating dark eyes. Her large, full, perfectly round breasts are completely exposed, rising from the water. Her nipples are a delicate pink, hard and erect from the cold air, and her areolas are perfectly defined. Water droplets and a few melted snowflakes glisten on her chest and shoulders. The background shows a winter scene with thick white snow on the ground and on large, mossy rocks. The lighting is soft and natural, from an overcast day, creating an intimate and serene atmosphere. Focus is sharp on her face and torso, with a shallow depth of field. Uncensored, explicit, nude., <lora:MJ52:.8>, <lora:bombshell_v2:.7>, zavy-rmlght, <lora:zavy-rmlght-sdxl:.8>