masterpiece, best quality, clean anime illustration, 1girl, solo, silver hair, medium ponytail, slightly messy hair, vivid blue eyes, detailed blue irises, tsurime, sharp eyes, thin delicate eyelashes, (flat chest:1.3), slender figure, cool sharp gaze, matte charcoal-gray high-neck sporty bikini top, secure coverage, clean white centerline piping, muted safety-yellow side panels, narrow sky-blue curved route accent, charcoal high-waisted bikini bottoms, safety-yellow waistband, short translucent pale-sky-blue wrap skirt, left side knot, small silver road-curve clasp, barefoot, contrapposto, full body, front three-quarter view, eye-leve