1girl, ass, blush, breasts, brown_eyes, brown_hair, closed_mouth, girls_und_panzer, instrument, jacket, kantele, keizoku_military_uniform, kumaisao, large_breasts, long_hair, looking_at_viewer, mika_(girls_und_panzer), military, military_uniform, simple_background, smile, solo, thighs, track_jacket, uniform, white_background