kotoyoshi yumisuke, aizawa sanae, original, highres, 1girl, animal ears, animal print, bell, blush, breasts, collar, cow ears, cow girl, cow print, cowbell, elbow gloves, female focus, fingerless gloves, gloves, grabbing another's breast, greyscale, groping, huge breasts, lactation, large breasts, leotard, long hair, lying, monochrome, neck bell, nipples, open mouth, slave, solo, thighhighs, topless female