1girl, arm up, black hairband, black jacket, black sailor collar, black shirt, braid, grey eyes, hair over one eye, hair ribbon, hairband, half-closed eyes, halo, hand up, jacket, letterboxed, long hair, long sleeves, looking at viewer, lying, lying on water, neckerchief, no nose, on back, parted lips, pinching sleeves, red pupils, ribbon, sailor collar, school uniform, serafuku, shirt, single braid, sleeves past wrists, solo, twitter username, upper body, water, white hair, white neckerchief, white ribbon