1girl, alternate_costume, ass, bikini, black_thighhighs, blonde_hair, blue_bikini, feet_out_of_frame, frilled_bikini, frills, from_behind, kantai_collection, long_hair, low_twintails, maid, maid_bikini, one-hour_drawing_challenge, ray.s, satsuki_(kancolle), simple_background, solo, swimsuit, thighhighs, twintails, unconventional_maid, white_background, yellow_eyes