2girls black_footwear black_hair black_skirt blue_neckerchief book brown_eyes bus bus_interior chair closed_mouth ground_vehicle highres holding holding_book kotatiyu medium_hair motor_vehicle multiple_girls neckerchief original plant pleated_skirt ponytail reading sailor_collar school_uniform serafuku shirt shoes sitting skirt socks solo_focus white_legwear white_sailor_collar white_shirt window