masterpiece, best quality, anime illustration, 1girl, solo, (wolf cut:1.3), (flat chest:1.3), black hair, blonde nape, long nape, sanpaku eyes, half-lidded eyes, (dark circles under eyes:1.2), tired but relaxed expression, wearing yukata, elegant traditional Japanese yukata, subtle floral pattern, obi sash, standing outdoors at night, looking up at the sky, head tilted upward, peaceful posture, three-quarter view, upper body, night sky, large full moon high in the sky, bright full moon, moon clearly visible, deep blue night sky, scattered stars, soft clouds, Japanese summer night atmosphere, subtle moonlight, moonlight illuminating her face and silver hair, soft rim light, cool blue lighting, neutral color balance, clean lineart, detailed eyes, smooth gradients, clean edges, fine texture