1girl, absurdres, black_hat, bow, commission, grey_hair, hat, highres, holding, holding_hat, holding_unworn_clothes, jacket, long_hair, panties, pixiv_commission, purple_eyes, red_jacket, sakayanagi_arisu, sarin_\(seoling\), school_uniform, skirt, smile, solo, thighhighs, underwear, unworn_hat, unworn_headwear, white_panties, white_skirt, white_thighhighs, youkoso_jitsuryoku_shijou_shugi_no_kyoushitsu_e