watanabe akio, senjougahara hitagi, monogatari (series), 1girl, armpits, banana peel, black thighhighs, blue eyes, blue necktie, blue skirt, blush, boxcutter, breasts, collarbone, eraser, feet out of frame, hand up, looking at viewer, lying, medium breasts, necktie, on back, on floor, parted lips, pen, pink shirt, pleated skirt, purple hair, ruler, scissors, shadow, shiny skin, shirt, short hair, short sleeves, sidelocks, skirt, sleeves rolled up, solo, stationery, thighhighs