1girl black_necktie black_pantyhose blue_background blue_skirt blue_sweater braid brown_eyes brown_hair closed_mouth commentary cowboy_shot cup dated dress_shirt emblem fujimaru_arikui girls_und_panzer hair_over_shoulder hair_tie hand_on_hip holding holding_cup long_hair long_sleeves looking_at_viewer miniskirt motion_blur necktie one-hour_drawing_challenge outside_border pantyhose pleated_skirt rounded_corners rukuriri_(girls_und_panzer) school_uniform shirt single_braid skirt smile solo st._gloriana's_school_uniform standing sweater teacup thigh_gap twitter_username v-neck volleyball white_shirt wing_collar