1girl, all_fours, bare_shoulders, barefoot, bikini, black_eyes, black_hair, blue_background, blush, border, breasts, girls_und_panzer, hair_ribbon, halterneck, kubota_rin, long_hair, looking_at_viewer, low-tied_long_hair, navel, open_mouth, outline, red_bikini, red_ribbon, ribbon, side-tie_bikini_bottom, small_breasts, solo, spaghetti_strap, swimsuit, takahashi_kurage, white_border, white_outline