unoi, natsu (blue archive), blue archive, commentary request, highres, 1girl, ahoge, black sailor collar, black skirt, black thighhighs, blush, border, cardigan, drink, drink carton, drinking straw, halo, holding, holding drink, long hair, long sleeves, looking at viewer, milk carton, neckerchief, outside border, pleated skirt, red eyes, red neckerchief, sailor collar, school uniform, serafuku, side ponytail, skirt, solo, thighhighs, white border, white cardigan