Ultra-realistic full-body portrait of a radiant young woman (same face as reference image, 100% accuracy). Long straight hair in high half-up ponytail, soft strands framing face, striking green-hazel eyes, subtle smile, confident serene gaze. Outfit: vibrant lime green one-shoulder monokini with textured fabric and side cutout, matching sheer sarong tied at left hip, light smartwatch on raised wrist touching hair, right arm relaxed. Background: shimmering blue pool with ripples, concrete paving, palm trees left, sparse deciduous tree, distant residential buildings, white lattice fence right, brilliant cloudless sky. Lighting: bright natural sunlight, vivid colors, fresh summery atmosphere. Atmosphere: elegant, cheerful, ultra-realistic with sharp subject focus and softly diffused background.