1girl, aqua background, aqua eyes, aqua hair, black skirt, blue background, blush, border, collared shirt, cowboy shot, green hair, hair ornament, headphones, holding, long hair, looking at viewer, midriff, navel, outside border, pleated skirt, sailor collar, school uniform, serafuku, shirt, short sleeves, simple background, skirt, smile, solo, standing, twintails, very long hair, white border, white shirt