roku (ntbr fate), artoria pendragon (fate), illyasviel von einzbern, matou sakura, saber (fate), tohsaka rin, fate/stay night, fate (series), commentary request, highres, 4girls, alternate costume, aqua ribbon, ass, bikini, black hair, black ribbon, closed eyes, closed mouth, green eyes, hair ribbon, hat, holding, holding swim ring, innertube, looking at viewer, multiple girls, one-piece swimsuit, open mouth, purple hair, red eyes, red one-piece swimsuit, ribbon, short hair, siblings, simple background, sisters, smile, sun hat, swim ring, swimsuit, two side up, white background, white hat - Image View -