1girl, alternate costume, animal, animal ears, bangs, black bow, black bowtie, black leotard, black nails, bow, bowtie, breasts, brown eyes, brown hair, cleavage, closed mouth, covered navel, detached collar, earrings, fishnet pantyhose, fishnets, flower, hair flower, hair ornament, happy new year, jewelry, leotard, looking at viewer, lying, medium breasts, medium hair, misaka mikoto, nyamunyamu, on back, pantyhose, playboy bunny, rabbit, rabbit ears, shadow, solo, toaru kagaku no railgun, toaru kagaku no railgun s, toaru majutsu no index, too many, too many rabbits