masterpiece,1girl, ibaraki_douji , waving, sitting,solo, smile,blush, looking at viewer, skirt, shirt, long sleeves, very long hair, closed mouth, school uniform, standing, cowboy shot, white shirt, pleated skirt, shoes, serafuku, sailor collar, black footwear, fingernails, kneehighs, white skirt, red socks, classroom, chalkboard, detailed background