satou kuuki, game cg, non-web source, official art, variant set, 1girl, :d, ^ ^, blue buruma, blue sports bra, blush, bow, breasts, buruma, closed eyes, collarbone, covered erect nipples, cowboy shot, facing viewer, fang, fujii natsumi (ysphere), hair between eyes, hair ribbon, midriff, navel, open mouth, red hair, ribbon, simple background, small breasts, smile, solo, soukou seiki ysphere, sports bikini, sports bra, standing, track uniform, transparent background, twintails, two-tone sports bra, white background, yellow bow, yellow ribbon