best quality, masterpiece, bold line, smooth shading,1girl, shiro \(sewayaki kitsune no senko-san\), animal ear fluff, fox girl, fox ears, fox tail, eyelashes, white hair, long hair, red eyes, facial whisker markings, choker gem, sleeveless t-shirt, smug, (arms up:1.3), grabbing another's wrist, assisted exposure, lying on back, from above, spoken heart, tail censor, indoors, on floor