1girl, ascot, cape, cloak, fangs, from_side, girls_und_panzer, glasses, greyscale, grin, halloween, halloween_costume, high_heels, leg_up, looking_at_viewer, looking_back, monochrome, official_alternate_costume, pants, pantylines, rimless_eyewear, round_eyewear, rumi_(girls_und_panzer), sawamin, short_hair, smile, solo, standing, standing_on_one_leg, vest