超リアルな同一人物ポートレート

Use the uploaded reference image as the ABSOLUTE VISUAL BLUEPRINT. Recreate the photograph as closely and literally as physically possible, prioritizing same-to-same photographic fidelity over creativity or reinterpretation.

Create an ultra-realistic 8K UHD, professional DSLR/mirrorless photograph of the exact same young adult male subject shown in the reference. Preserve his visible identity and natural facial characteristics exactly as provided: naturally proportioned oval-to-oblong face, defined jaw and chin, prominent cheek structure, medium forehead, dark eyes looking downward, naturally shaped eyebrows, straight-to-slightly prominent nose with the same bridge and tip proportions, naturally shaped lips, short moustache connected into a full dark beard, subtle natural facial asymmetry, visible skin pores and fine facial texture, and the exact natural complexion and tonal variation visible in the reference. Do not beautify, redesign, reconstruct, smooth, sharpen unnaturally, age, de-age, or otherwise alter the face.

Subject & Hair

The subject has thick, voluminous, naturally wavy/curly dark-black hair, medium-to-long on top with substantial volume and loose irregular curls/waves falling forward over the forehead. Preserve the exact hair mass, direction, individual flyaway strands, natural frizz, density, curl structure, side volume, and hairline. The beard is dense, dark and naturally textured, with a fuller chin and jaw area and a shorter moustache. Preserve the exact beard growth pattern and edges without artificial grooming.

He is wearing a plain oversized/off-white or very light cream-white crew-neck T-shirt, with soft natural fabric folds and subtle textile texture. Preserve the small, extremely subtle embroidered/printed tonal detail visible on the right chest area and the tiny faint mark near the center of the shirt. No additional graphics, text, jewelry, or accessories. The subject has a black circular ear plug/stud in the visible ear.

Pose & Expression

Reproduce the exact pose: the subject's head is tilted strongly downward and slightly toward his left, creating a pronounced diagonal neck/head posture. His gaze is directed downward toward the lower-left region of the frame. Expression is quiet, neutral, introspective and relaxed, with no smile. Eyes remain partially lowered/obscured by the angle and hair. Mouth naturally closed. Preserve the exact neck angle, shoulder position, head rotation, chin placement, and body posture.

The visible upper torso occupies the lower portion of the image while the head and hair dominate the upper-left/central region. Do not straighten or alter the pose.

Composition & Framing

Match the reference composition exactly:

Vertical portrait orientation

Approximate original aspect ratio: 1071 × 1536 / ~0.697:1

Subject positioned slightly left of center

Large amount of clean negative space above and around the subject

Hair extends prominently toward the upper-left and central portion

Face occupies the central-left region

White shirt fills much of the lower frame

Crop approximately from the upper hair region down to the lower torso

No additional objects or environmental elements

Maintain identical relative subject scale and placement

Preserve the same empty background proportions and visual balance

Camera viewpoint is approximately eye/chest level relative to the subject's upper body, with the camera observing the downward-tilted head from a slightly elevated/side-front perspective. Use a natural portrait perspective with minimal distortion, approximately equivalent to a 50–85mm full-frame portrait lens, around 70mm, while matching the reference perspective rather than forcing a specific lens.

Lighting

Reproduce the reference's very soft, diffuse indoor lighting. The scene appears illuminated by broad ambient/window-like light from the front-left/upper-left direction.

Use:

Extremely soft key illumination

Gentle falloff across the face

Subtle shadow beneath the hair and beard

Soft tonal transition along the cheek, jaw and neck

Mild natural highlight on the skin

No harsh specular highlights

No dramatic rim light

No artificial studio spotlight

No strong contrast

Softly illuminated white background

Preserve the delicate shadow separation between the hair, face, neck and shirt. White areas must retain realistic tonal information instead of becoming completely clipped.

Background & Environment

Reproduce the minimalistic pale warm-gray/off-white interior background exactly. The background is essentially an empty smooth light wall with extremely subtle uneven tonal texture and faint natural surface variation.

No furniture, plants, windows, decorations, scenery, text, props, or visible architecture. Maintain the clean minimalist photographic environment and extensive negative space.

Camera & Optical Characteristics

Simulate a high-end full-frame DSLR/mirrorless camera using approximately:

70mm portrait focal length, f/2.8–f/4, ISO 100–400, 1/125–1/250 sec, with accurate exposure and natural optical rendering.

Use realistic full-frame perspective, extremely high resolving power, natural micro-contrast, physically accurate skin rendering, realistic lens softness at the edges, and subtle depth separation.

Depth of field should be moderately shallow but not excessively blurred: the face, beard and nearby hair remain detailed while the plain background falls into a very soft, unobtrusive blur/tonal separation. Do not introduce artificial circular bokeh because the reference has no meaningful point-light bokeh.

Skin, Hair & Material Detail

Render genuine photographic micro-detail:

Natural pores

Fine facial hairs

Individual beard hairs

Individual hair strands and flyaways

Realistic scalp/hair density

Subtle skin tonal variation

Natural lip texture

Realistic ear texture

Fine T-shirt fabric weave

Natural cotton folds and compression

Physically realistic light interaction with skin and fabric

Avoid excessive HDR sharpening or artificial clarity. Detail should feel optically captured, not digitally generated.

Color & Grading

Match the reference's restrained color palette:

soft off-white, warm-neutral skin tones, deep natural black hair, dark beard, muted cream-white clothing, and pale neutral-gray background.

Use subtle warm-neutral photographic color grading, low-to-moderate contrast, soft highlights, controlled whites, natural blacks, slightly muted saturation, and smooth tonal roll-off.

Preserve realistic skin warmth against the cooler pale background. No teal-and-orange grading, no dramatic cinematic color treatment, no oversaturation.

Photographic Finish

The final image must look like a genuine high-end professional portrait photograph, captured in-camera rather than AI-generated.

Use:

8K UHD detail

Photorealistic optical rendering

Natural dynamic range

Smooth highlight roll-off

Realistic shadow detail

Authentic skin texture

Subtle fine photographic grain

Natural lens rendering

Accurate perspective

Extremely clean but organic image quality

Mild natural sensor-level noise only where appropriate

No excessive HDR

No artificial sharpening

No plastic skin

No computational-looking textures

Absolutely preserve the reference's composition, subject placement, head angle, facial expression, hairstyle, beard, clothing, background, lighting, color palette, perspective, crop and overall photographic appearance. Do not add creative elements. The uploaded reference remains the authoritative source for every visual decision.

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。