1girl, bad_pixiv_id, black_serafuku, black_skirt, blush, closed_mouth, collarbone, grey_hair, holding, holding_hair, indoors, long_hair, long_sleeves, neckerchief, original, pleated_skirt, red_eyes, red_neckerchief, sailor_collar, school_uniform, serafuku, skirt, solo, standing, tanshio, thigh_strap, white_sailor_collar