Nepgear, Uni, Ram, and Rom from Hyperdimension Neptunia HD Wallpaper

Four anime girls are posing together against a light green background with white and yellow circles. The girl on the far left has black hair and is wearing a black and red outfit with a beret. The second girl from the left has purple hair and is wearing a white and blue outfit. The third girl from the left has blonde hair and is wearing a purple witch-like outfit. The girl on the far right has blonde hair and is wearing a white and red outfit.