2girls, abyssal_ship, ahoge, black_hair, black_sailor_collar, black_skirt, kantai_collection, long_hair, looking_back, machinery, multiple_girls, pleated_skirt, saiguchi_otoufu, sailor_collar, school_uniform, serafuku, simple_background, skirt, solo_focus, ushio_(kancolle), walking, walking_on_liquid, water, waving, white_background, wo-class_aircraft_carrier