(masterpiece, best quality), 1girl, solo, mature female, brown hair, low-braided long hair, wavy hair, yellow eyes, parted bangs, sidelocks, large sagging breasts, long eyelashes, black-framed round eyewear, white dress shirt, black neck ribbon, black high-waist skirt, underbust, looking at viewer, light blush, parted lips, light smile, shushing, library, bookshelf, desk, chair, window, light rays, light particles, sitting, on chair, open book, upper body, from above, sexually suggestive,