1girl, animal_ears, artist_logo, black_necktie, black_thighhighs, blush, bottle, breasts, brown_hair, covered_navel, dated, detached_collar, fake_animal_ears, fake_tail, gradient_background, green_eyes, helena_(kancolle), holding, holding_bottle, kanon_(kurogane_knights), kantai_collection, leotard, long_hair, looking_at_viewer, medium_breasts, necktie, one-hour_drawing_challenge, open_mouth, pink_background, playboy_bunny, rabbit_ears, rabbit_tail, solo, strapless, strapless_leotard, tail, thighhighs, white_leotard, wrist_cuffs