渓流冒険ライフスタイルポートレート、率直

Detected Framing & Dimensions: Vertical portrait orientation (approx. 1:1.33 / ~3:4 aspect ratio), full-body seated outdoor nature portrait framing positioned in the lower-center foreground. The composition preserves generous vertical headroom displaying the overcast, mist-shrouded sky and soft-focus green mountain ridge in the background, surrounded by rushing, frothy whitewater river rapids and wet riverbed boulders.
8K ultra-realistic portrait photograph in the same aspect ratio and framing as the uploaded reference: A handsome, youthful South Asian man captured in a candid, adventurous outdoor portrait while sitting directly amidst the rushing waters of a mountain river stream. He sits relaxed and cross-legged or semi-reclined on wet river stones surrounded by swirling white river foam, leaning his left arm casually against a smooth, dark grey river boulder with his hand resting on the rock. He faces directly forward toward the camera with a bright, cheerful open smile and a confident, carefree expression. He features tousled, wind-blown, wavy jet-black hair parted naturally, a light youthful mustache and subtle stubble tracing his jawline, and wears modern rectangular black-tinted sunglasses with sleek dark frames. On his left wrist, he wears a white-strapped sports or casual watch.
He is dressed in casual, outdoor-ready vacation clothing: an airy, relaxed-fit, textured off-white / pure white short-sleeved crewneck T-shirt with fine vertical self-stripes or crinkled knit weave, paired with loose, straight-leg black casual trousers or track pants that are partially soaked and glistening with water around the legs and ankles.
The outdoor setting is a wild, scenic natural river valley: the foreground and midground feature fast-flowing, churning white-water rapids tumbling over weathered grey river boulders and smooth pebbles. In the immediate background sits a natural or stone-reinforced riverbank lined with lush green trees, leading up to layered, misty mountain ridges blanketed in dense green forest under a cool, overcast, and soft-clouded sky. Diffused, soft natural daylight evenly illuminates the scene, capturing realistic water splashes, frothy foam textures, authentic wet fabric folds, lifelike skin tones, and atmospheric mountain depth, strictly preserving the original 3:4 vertical composition, subject scale, and adventurous travel aesthetic.

プロンプト全体をコピーし、必要に応じて独自の参考写真を使用してください。