art by as109, 1girl, solo, thighhighs, headphones, school uniform, hair ornament, hairclip, sitting, red eyes, serafuku, pink hair, black thighhighs, skirt, zettai ryouiki, pencil, pen, short hair, chair, headphones around neck, notebook, drawing, holding, brown hair, drawing tablet, pleated skirt, eraser, computer, desk, smile, checkered floor