1girl, ass, bent_over, black_hair, black_jacket, blazer, blurry, blurry_background, cowboy_shot, depth_of_field, desk, facing_away, from_behind, grey_skirt, indoors, jacket, long_hair, matsunaga_kouyou, original, panties, pleated_skirt, school_desk, school_uniform, skirt, solo, tic-tac-toe, underwear, white_panties