1girl, aoyama_sumika, arms_behind_back, bare_shoulders, bikini, black_hair, blush, breasts, brown_eyes, cleavage, closed_mouth, coffee-kizoku, collarbone, day, full_body, halterneck, holding, large_breasts, looking_at_viewer, navel, original, outdoors, pillow, short_hair, side-tie_bikini_bottom, smile, solo, stomach, string_bikini, swimsuit, thighs, white_bikini