Four anime girls in a futuristic city setting HD Wallpaper

Four anime girls stand in a futuristic, illuminated corridor with a city visible in the background. The girl in the foreground has long blue pigtails and is wearing a purple and white uniform. To her left is a girl with purple hair and a dark outfit. To her right are two girls, one with long red hair and a dark jacket, and another with long blonde hair and a dark top.