shirahane nao, black rock shooter (character), hirasawa ui, hirasawa yui, nakano azusa, black rock shooter, dmyotic, k-on!, absurdres, duplicate, highres, 3girls, belt, bikini, bikini top only, black hair, black rock shooter (cosplay), breasts, brown eyes, brown hair, cleavage, coat, cosplay, gloves, hair ornament, hair ribbon, hairclip, long hair, look-alike, midriff, multiple girls, navel, ribbon, scarf, shared clothes, shared scarf, short hair, short shorts, shorts, siblings, sisters, smile, swimsuit, thighs, twintails, unzipped