2girls, ass, back, black_hair, black_one-piece_swimsuit, breasts, brown_hair, competition_swimsuit, covered_navel, green_eyes, kantai_collection, kasumi_(skchkko), large_breasts, lips, long_hair, looking_at_viewer, multiple_girls, mutsu_(kancolle), nagato_(kancolle), one-piece_swimsuit, red_eyes, shirt, short_hair, simple_background, smile, swimsuit, turtleneck, two-tone_swimsuit, wet, wet_clothes, wet_swimsuit, white_background, white_one-piece_swimsuit, white_shirt