1girl,solo,cute,young,17yo, long straight black hair with bangs and a white headband, calm but confident expression, a white sailor-style one-piece school uniform dress,with a broad sailor collar trimmed with double black lines,long sleeves with black cuffs,light blue ribbon tie under the collar,silver school emblem badge on the chest,no waist seam,comical, pop art(style), thick outlines,simple background