A clearly adult male, wearing a black-and-gold Japanese silk yukata, glossy silk texture, subtle woven pattern, wide sleeves, tied only at the waist with a sash, the robe wrapped low around the hips, upper body hanging loose and heavily open, very deep wide neckline, both sides of the robe falling apart naturally, exposing most of the chest, sternum, upper abdomen and obliques, no inner layer, no undershirt, no extra chest panel, no closed overlap across the torso, elegant loose drape, sensual but natural He is walking toward the viewer, low-angle view, slight upward perspective, medium full-body or knee-up framing, body facing front, head lowered, eyes cast downward, not looking at the camera, one hand lightly gripping or adjusting the waist sash, the other arm relaxed inside the sleeve, calm oppressive presence, elegant and intimidating background: dark smoky bathhouse / hot spring interior, black stone bath, shadowy wooden structure, drifting steam, dim lantern glow, reflective wet floor, moody atmosphere lighting: dramatic low-key lighting, strong rim light on wet hair and silk folds, soft highlights on bare chest and collarbone, strong contrast, cinematic depth no smile, no eye contact, no extra characters, no text, no watermark