1girl, anchor symbol, black headwear, black sailor collar, black skirt, black thighhighs, blue eyes, blush, drink, drinking straw, feet out of frame, flat cap, grey hair, hair between eyes, hat, holding, holding drink, long hair, long sleeves, looking at viewer, looking back, neckerchief, open mouth, pleated skirt, red neckerchief, sailor collar, school uniform, serafuku, shadow, simple background, skirt, solo, thighhighs, white background