mk_mreallust style, polished manhwa illustrated-realism, handsome young man, half-body portrait, from behind angle, medium-short messy black hair, dark eyes, subtle skin texture, eyes gently half-lidded, soft half-lidded gaze, eyes relaxed in the warm sunlight, wearing a loosely worn open white short-sleeve shirt slipping naturally off one shoulder over a slightly damp white t-shirt, biting the hem of his t-shirt, subtly revealing the side of his toned abs and defined chest, light beige linen shorts, aboard a moving yacht, standing casually near the railing, one hand resting on the railing, sparkling ocean, boat wake trailing behind, subtle motion blur in the distant ocean and boat wake, warm golden hour sunlight, warm sea breeze, wind-blown hair and open shirt, cinematic summer atmosphere, highly detailed, natural composition, mk_OmniLight, dynamic directional lighting, soft shadow transitions, light interaction with subject, smooth light falloff
