kantai collection, shimakaze (kantai collection), hibiki (kantai collection), fubuki (kantai collection), samidare (kantai collection), non-human admiral (kantai collection), abukuma (kantai collection), ru-class battleship, hatsushimo (kantai collection), ri-class heavy cruiser, wakaba (kantai collection), mizumoto tadashi, text, monochrome, comic, greyscale, 6+girls, animal ears, bangs, blazer, bunny ears, compass, female, hachimaki, headband, jacket, loose necktie, multiple girls, necktie, ponytail, school uniform, serafuku, thighhighs, tied hair