UMP9 and UMP45 from Girls Frontline HD Phone Wallpaper

Two anime girls, UMP9 and UMP45, are shown in a vertical portrait. UMP9, on the left, has blonde hair in pigtails and is winking. UMP45, on the right, has grey hair and is looking forward. They are both wearing black jackets over white shirts and dark skirts with thigh-high stockings. A large yellow 'h' symbol is in the background.