1girl, :d, arm support, bangs, bare shoulders, bikini, black bikini, blue eyes, blush, breasts, brown hair, cleavage, collarbone, commission, front-tie bikini top, front-tie top, groin, halterneck, large breasts, looking at viewer, midriff, navel, open mouth, pixiv commission, pokemon, pokemon (anime), pokemon xy (anime), serena (pokemon), shadow, short hair, side-tie bikini bottom, sidelocks, signature, simple background, sitting, smile, solo, string bikini, sweat, swimsuit, takecha, teeth, upper teeth only, white background, yokozuwari