aruka_(alka_p1), highres, 1girl, adapted_costume, animal_ears, black_sailor_collar, black_skirt, blue_eyes, blush, buttons, cat_ears, closed_mouth, cloud, day, flower, hair_between_eyes, hair_flower, hair_ornament, kemonomimi_mode, long_hair, looking_at_viewer, no_headwear, outdoors, petals, pleated_skirt, sailor_collar, sailor_shirt, shirt, short_sleeves, skirt, sky, solo, white_flower, white_hair, hibiki_(kancolle), verniy_(kancolle), kantai_collection, year_2020, 