hanekoto, shinkansen, 1girl, 1other, black hair, blue eyes, blue shirt, blue skirt, blush, bottle, bracelet, closed mouth, elf no watanabe, hair ornament, hair over one eye, hairclip, high-speed train, holding, holding bottle, jewelry, looking at viewer, neckerchief, reflection, sailor collar, school uniform, shirt, short sleeves, skirt, solo focus, train, train interior, watanabe fuuka, white sailor collar, white shirt, window, yellow neckerchief