Art style: Cinematic Realistic.
Full-length view, the entire figure visible from head to feet, standing upright and centered — Kai, a young man of about twenty-two, the younger brother. Lean athletic build, slightly shorter than average, standing with weight on one hip, hands pushed into his jacket pockets, shoulders tense. Oval face with soft features, warm olive skin, faint stubble along the jaw. Dark brown tousled hair swept to one side, a few strands over the forehead. Expressive hazel eyes carrying guilt and restless worry, lips pressed in a conflicted half-frown. He wears a fitted charcoal henley, an open slim black bomber jacket, dark slim jeans, and scuffed white low-top sneakers. A thin silver chain shows at his collar. He stands in a dim apartment hallway, cool evening light from a window, quiet unease in his posture. No text.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "Cinematic Realistic" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Cinematic Realistic". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Cinematic Realistic" idiom, not in any other medium.
