koshigaya tatsumi, i-203 (kancolle), kantai collection, 1girl, alternate costume, animal ear hairband, animal ears, bikini, black pantyhose, blue eyes, blue hair, blue leotard, character name, fake animal ears, fake horns, hairband, half updo, headgear, horned headwear, horns, leotard, long hair, pantyhose, playboy bunny, rabbit ears, rabbit tail, side-tie bikini bottom, sidelocks, simple background, solo, strapless, strapless leotard, swimsuit, tail, white background, wrist cuffs