Nano Banana Photorealism Engine for Fitness Influencers

2x2 grid, 16:9 do this for extreme fitness subjects, ═══════════════════════════════════ DERMIS :: skin is three zones, never one flat tone - T-zone (forehead, nose bridge) oilier, warmer - a BROKEN uneven specular sheen, never a uniform glow, never a uniform matte - cheeks / nose tip / ears redder, vascular; flush and the pink of the nostrils - jaw / chin / upper lip cooler, faint blue undertone - tone is heritage-true, not flattened to one AI-default tan; undertones read correctly across the full human range - olive stays olive, deep skin keeps its specular highlights and cool ash in dry zones, fair skin keeps blotch and vein - melanin uneven on purpose: any freckles/marks CLUSTER - densest where sun hits (nose bridge, upper cheeks, shoulders), sparse toward the jaw, varied in size and edge softness; never an even all-over scatter - vellus hair (peach fuzz) catches the key light along the jaw and upper cheek as a soft bright fringe - the single most-missed marker of real skin - subsurface scatter glows faint red at nostril rims, earlobes, finger webs - keep local contrast IN the skin: the micro-shadows pores cast, the specular break where oil sits - never smooth these away - one honest flaw present: a healing blemish, razor bump, chapped lip, sleep crease OCULAR :: dead eyes are the loudest tell - catchlight SHAPE matches the real source and sits in the SAME corner of both eyes - the two eyes are not identical - one lid a hair heavier, a micro-asymmetry - sclera warm off-white with faint corner vessels, never paper-white; wet meniscus on the lower lid; tear duct reads pink - iris has fibrous depth and a darker limbal ring, but softer than the hyper-crystalline AI iris; the near eye locked in sharp focus SURFACE :: any moisture has physics (sweat, rain, steam-condensation, tears, oil) - droplets vary in size; some bead, some run into short streaks obeying gravity, pooling at low points; matte skin BETWEEN them - never a uniform sprinkle - wet hair clumps into strands; fabric darkens and clings where wet SENSOR :: real glass and real grain, because clean is fake - fine sensor grain throughout, HEAVIEST in the shadows and in dark clothing - let the darkest tones crush and the brightest highlights clip slightly - real capture loses information at both ends - a whisper of vignette; faint green/magenta chromatic fringe in bright highlights; restrained global sharpening - true camera color science - a step more muted and green-leaning than the saturated AI grade reaches for RESOLVE :: texture detail scales with framing distance (auto-adjusts per shot) - macro / close (chin-to-crown): pores, fuzz, subsurface FULLY resolved and sharp - portrait / waist-up: pores and fuzz clearly present and in focus - never softened - half / knee-up: skin texture visible on the face, generalizing on the body - full-body / environmental: face texture reads as structure not pores; detail legitimately falls off with distance - this is the ONLY case that softens BANNED :: waxy skin, airbrushed uniformity, symmetric perfection, flat even tone, uniform glow, ring-light dead eyes, HDR halo, plastic teeth, over-saturation, beauty-app smoothing - if it looks like a phone filter, it failed ════════════════════════════════════════════════════════════ LIGHT MENU - pick ONE; light is where real-vs-AI is decided ════════════════════════════════════════════════════════════ - OVERCAST sky-sized softbox, soft wrap, cool, no hard shadow. Real because it flatters yet still shows every pore. Catchlight: broad soft sky. - WINDOW-SIDE one window, rakes from a side; far side of face falls to gentle shadow. Catchlight: a clean rectangle. The everyday-realism default. - GOLDEN-BACKLIT sun behind head → hot hair rim + glowing peach-fuzz halo; face lit by cooler front bounce. Never let front and back match temp. - DIRECT-FLASH bare frontal flash, background falls to black. The anti-AI weapon: reveals oil, pores, shine, redness. Catchlight: hard central dot. - STUDIO-STROBE dish/softbox 45° above + reflector below. Where plastic is born, so DERMIS is doubly enforced. Catchlight: the dish shape. - NEON-MIXED two colored sources, one hue per cheek; colored (not black) shadows. Real when the casts sit on skin without dyeing it one flat tint. - HARSH-MIDDAY overhead sun, hard nose/brow shadows, a real squint, sweat sheen, blown highlights on the high points. Hides nothing. - CANDLE-LOW single flame, warm, steep falloff, dancing catchlight, subsurface glow at the ears. Demands HEAVY grain - clean is fake in the dark. ════════════════════════════════════════════════════════════ PERSONA_SEED - fill ONCE per person, reuse across every shot ════════════════════════════════════════════════════════════ NAME + AGE + HERITAGE + UNFORGETTABLE_FEATURE: the consistency anchor a follower recognizes in a blurry thumbnail (gap tooth, freckle spray, silver streak, scar through brow, a mole) - lock: face geometry, skin undertone, hair behavior - these never drift ════════════════════════════════════════════════════════════ BRIEF - fill PER SHOT. The engine above does not change. ════════════════════════════════════════════════════════════ NICHE :: what kind of creator / what this frame is for SUBJECT_LOGIC :: derive - what this niche does to the body, hands, and wardrobe; the résumé evidence (calluses, stains, scars, tan lines); ONE authenticity artifact, quiet in the background MOMENT :: the single beat (mid-action / transition / rest) + expression + where the gaze goes (off-lens usually reads more candid) LIGHT :: pick one from the menu - it governs shadows, catchlight, grade SCENE :: the environment, lived-in, with evidence of use + ONE blurred sign of life (a passing stranger, a half-peeled sticker) OPTICS :: framing distance (this sets RESOLVE) + focal length + aperture + ratio + committed grade SURFACE_TODAY :: optional - sweat / rain / steam / none, + which one honest flaw is visible today BAR :: a [relevant expert] believes the [craft], a follower believes the [texture], and at 200% the skin still reads as skin - no glow, no smoothness the moment didn't earn. Photograph only, no typography.