high quality, best quality, anime screencap, anime coloring, s3n, 1girl, solo, long hair, brown hair, hair between eyes, x hair ornament, purple eyes, large breasts, serafuku, school uniform, sailor collar, long sleeves, pleated skirt, zettai ryouiki, black thighhighs, high angle view, holding book, serene peaceful expression, library background, tall bookshelves, warm lamp lighting, detailed environment