1girl, alternate hair color, aqua eyes, arm up, bare legs, black sailor collar, black skirt, black socks, black wrist cuffs, crescent, falling, grey footwear, greyscale, hand up, knees, long hair, long sleeves, monochrome, neckerchief, pleated skirt, sailor collar, sailor shirt, school uniform, serafuku, shirt, shoes, skirt, sneakers, socks, solo, spot color, twintails, very long hair, white neckerchief