satou kuuki, kouyoku senki exs-tia, game cg, large variant set, non-web source, official art, variant set, 1girl, 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, miniskirt, open-chest sweater, orange eyes, outdoors, pink hair, pleated skirt, ribbed sweater, skirt, sky, solo, sweater, tree, turtleneck