1girl, :<, ahoge, blazer, blush, book, bow, bowtie, breasts, buttons, chair, classroom, closed mouth, collarbone, collared shirt, desk, dress shirt, furrowed brow, greyscale, hair ornament, hair over shoulder, hair ribbon, hand on own cheek, hand on own face, indoors, jacket, long hair, looking at object, loose bowtie, loose clothes, loose shirt, medium breasts, monochrome, open book, parted bangs, pencil, pleated sleeves, pout, ribbon, school chair, school desk, school uniform, shirt, sidelocks, solo, studying, swept bangs, writing