mutou mame, professor niyaniya (blue archive), blue archive, commentary request, highres, 1girl, beret, black coat, black dress, black hat, black sailor collar, blonde hair, blush, bow, bowtie, breasts, brown pantyhose, clothes lift, coat, dress, green eyes, grin, halo, hat, long hair, long sleeves, looking at viewer, lying, nipples, on back, pantyhose, sailor collar, small breasts, smile, solo, spread legs, thighs