watanabe akio, senjougahara hitagi, bakemonogatari, monogatari (series), pizza hut, highres, official art, official wallpaper, source request, 00s, 1girl, black thighhighs, blue eyes, boxcutter, clothes lift, eraser, female focus, from behind, knife, lifting own clothes, long hair, looking at viewer, looking back, pen, petals, pleated skirt, product placement, purple hair, ruler, school uniform, scissors, senjougahara hitagi skirt lift pose, set square, simple background, skirt, skirt lift, solo, stapler, thighhighs, very long hair, white background, wind