1girl, armpits, ass, back, barefoot, black_hair, blue_one-piece_swimsuit, border, breasts, brown_eyes, casual_one-piece_swimsuit, covered_navel, cutout_above_navel, feet, from_behind, girls_und_panzer, grey_background, hairband, holding, holding_hair, long_hair, looking_at_viewer, multiple_views, one-piece_swimsuit, reizei_mako, sitting, small_breasts, soles, squatting, swimsuit, thighs, toes, turtleneck, wariza, white_border, white_hairband, yabai_gorilla