1girl, alternate costume, animal ears, between breasts, black necktie, blush, bow, bowtie, breasts, brown eyes, brown hair, covered navel, detached collar, embarrassed, fake animal ears, fake tail, green leotard, highleg, highleg leotard, kantai collection, leotard, long hair, looking at viewer, matsunaga (haku), necktie, ooi (kancolle), playboy bunny, rabbit ears, rabbit tail, solo, speech bubble, strapless, strapless leotard, tail, wrist cuffs