rule 34 1997 1girls asuka viper bare arms blush bow bow bra bow panties bra breasts cleavage clothing eyebrows visible through hair female female only grass greyscale katsura kenichirou long hair lying medium breasts monochrome navel novel illustration official art on back on ground open mouth outdoors panties scan shadow sogna solo teeth thick thighs thighs underwear viper viper ctr viper ctr novel 4361406