1girl ankle_boots ass bad_id bad_pixiv_id belt black_belt black_pantyhose boots cameltoe capelet chimney christmas closed_mouth dress elbow_gloves from_behind fur-trimmed_dress fur-trimmed_gloves fur_trim girls_und_panzer gloves green_eyes grey_hair hat high_heel_boots high_heels highres itsumi_erika leg_up legs light_frown night night_sky nksk no_panties painttool_sai_(medium) pantyhose red_capelet red_dress red_footwear red_gloves red_headwear santa_costume santa_hat short_dress sky snow solo standing standing_on_one_leg