1girl animal_ears arknights arms_up bangs black_footwear black_gloves black_hair black_jacket brown_eyes brown_necktie collared_shirt dog_ears dog_tail full_body gloves grey_skirt hair_between_eyes jacket jackie_(arknights) knee_pads looking_at_viewer miniskirt nagu necktie official_art open_clothes open_jacket pleated_skirt shirt shoes short_hair short_sleeves skirt smile solo standing tail thigh_strap thighs transparent_background underwear white_shirt