1girl, arms_up, black_skirt, blouse, blue_neckwear, collarbone, grey_eyes, grey_hair, long_hair, looking_to_the_side, mask, mouth_mask, neckerchief, pleated_skirt, ponytail, sailor_collar, school_uniform, serafuku, simple_background, skirt, solo, surgical_mask, tying_hair, upper_body, white_background, white_blouse