Four anime girls in outfits with a gun HD Wallpaper

Four anime girls are standing against a plain background. The first girl on the left has blonde hair in pigtails and is holding a large gun. The second girl has short grey hair and is wearing a red military-style jacket and black shorts. The third girl has blonde hair tied back and is wearing a white crop top and white skirt. The fourth girl has long red hair and is wearing a black school uniform-style outfit.