1girl, bikini, bikini_skirt, blunt_bangs, cosplay, dated, feet_out_of_frame, flat_chest, green_bikini, grey_hair, kantai_collection, kasumi_(kancolle), kasumi_(kancolle)_(cosplay), loli, long_hair, maru_(marg0613), navel, one-hour_drawing_challenge, ooshio_(kancolle), purple_eyes, simple_background, solo, swimsuit, twintails, twitter_username, white_background