1girl, bikini, blonde_hair, blue_eyes, blush, breasts, closed_mouth, girls_und_panzer, hand_in_pocket, jacket, kayabakoro, keizoku_military_uniform, looking_at_viewer, medium_breasts, military, military_uniform, navel, short_hair, simple_background, solo, swimsuit, track_jacket, uniform, white_background, white_bikini, youko_(girls_und_panzer)