1girl, armpits, arms_behind_head, black_hair, black_one-piece_swimsuit, blush, breasts, collarbone, competition_swimsuit, covered_navel, cowboy_shot, cropped_legs, ebifurya, kantai_collection, large_breasts, long_hair, looking_at_viewer, nagato_(kancolle), one-hour_drawing_challenge, one-piece_swimsuit, red_eyes, solo, swimsuit, twitter_username, two-tone_swimsuit, white_background, white_one-piece_swimsuit