1girl, arm_up, asymmetrical_breasts, bikini, blue_hair, blush, breasts, grey_background, hair_tubes, kantai_collection, kouga_(mutsumi), large_breasts, long_hair, looking_at_viewer, mizuho_(kancolle), multicolored_hair, parted_lips, purple_hair, sidelocks, simple_background, solo, swimsuit, untied_bikini, very_long_hair, wet, yellow_bikini