2girls, animal_ears, black_pantyhose, blue_hair, blue_leotard, blush, detached_collar, fake_animal_ears, fake_tail, fingernails, kotonoha_akane, kotonoha_aoi, leotard, long_hair, multiple_girls, nail_polish, open_mouth, pantyhose, pink_eyes, pink_hair, playboy_bunny, rabbit_ears, rabbit_tail, red_eyes, red_leotard, red_nails, siblings, simple_background, sisters, smile, spoken_blush, strapless, strapless_leotard, tail, tenneko_yuuri, voiceroid, white_background, white_pantyhose, wrist_cuffs