echihiro, hakozaki serika, idolmaster, idolmaster million live!, idolmaster million live! theater days, absurdres, highres, 1girl, :o, animal ears, black bow, black bowtie, black leotard, blush, bow, bowtie, breasts, breasts out, brown eyes, brown hair, earrings, fake animal ears, jewelry, leotard, long hair, nipples, playboy bunny, rabbit ears, small breasts, solo, twintails, upper body, wrist cuffs