takeuchi takashi, tohsaka rin, fate/hollow ataraxia, fate/stay night, fate (series), official art, official wallpaper, 00s, 1girl, :d, afloat, armpits, bikini, black hair, blue eyes, blush, breasts, cleavage, female focus, from above, hair ribbon, innertube, legs, light rays, long hair, long legs, lying, navel, official alternate costume, on back, open mouth, parted bangs, partially submerged, pool, reclining, red bikini, ribbon, smile, soaking feet, solo, sparkle, sunbeam, sunlight, swim ring, swimsuit, thigh gap, twintails, two side up, water, wet