satou kuuki, kouyoku senki exs-tia, game cg, large variant set, non-web source, official art, variant set, 1girl, :o, azarin (exs-tia), blonde hair, blue sky, blush, breasts, casual, cleavage, cleavage cutout, clothing cutout, cloud, covered erect nipples, day, hair intakes, hairband, headband, large breasts, long hair, looking at viewer, low ponytail, miniskirt, open-chest sweater, open mouth, outdoors, pink eyes, pink hair, pleated skirt, ponytail, ribbed sweater, skirt, sky, solo, sweater, tree, turtleneck