Ultra-Realistic Low-Angle Streetwear Walking Portrait

Create an ultra-realistic full-body portrait of a stylish young Korean man walking confidently on a wide open concrete rooftop under a bright blue sky with soft scattered clouds. The composition should match a premium Korean fashion editorial mixed with a modern travel-photography aesthetic. Pose (must match exactly): - Captured from an extreme low-angle ground perspective - One foot stepping forward very close to the camera lens, with the sneaker sole dominating the foreground - Walking naturally and confidently - Right hand holding a professional mirrorless camera with a large zoom lens - Left arm relaxed beside the body - Head slightly turned to the left, looking toward the horizon - Calm, focused, adventurous expression Outfit (must match exactly): - Oversized ribbed grey knit sweater with long sleeves - Black wide-leg straight-fit trousers - Grey athletic sneakers with white soles - Dark grey minimalist baseball cap - No visible jewelry or accessories Environment: - Minimalist rooftop or open terrace with clean concrete flooring - Vast blue sky occupying most of the background - Bright natural daylight - Soft shadows - Clean, uncluttered composition - Editorial travel and streetwear vibe Camera & Composition: - Extreme low-angle shot from ground level - 24mm wide-angle lens - Full-body framing - Leading perspective created by the forward shoe - Shallow depth of field with slight background softness - Ultra-sharp focus on the subject - Natural skin texture and fabric detail - High dynamic range - 8K ultra-realistic photography - Premium Korean fashion editorial quality - Cinematic color grading - Vertical 9:16 aspect ratio