1girl animated animated_gif assault_rifle black_footwear black_pantyhose chibi full_body girls'_frontline grey_hair gun h&k_ump heckler_&_koch holding holding_gun holding_weapon jacket long_hair lowres military military_uniform official_art open_clothes open_jacket open_mouth pantyhose rifle rubbing_eyes saru shoes simple_background solo standing submachine_gun trigger_discipline ump40_(girls'_frontline) uniform walkie-talkie weapon white_background yellow_eyes