Yakumo Yukari, Yakumo Ran, and Chen from Touhou HD Wallpaper

Three anime girls are gathered in front of a traditional Japanese building. The girl on the left has butterfly wings and wears a purple dress. The girl in the middle wears a pink dress and a green hat, holding a glowing orb. The girl on the right has fox ears and a large bushy tail, wearing a white and blue kimono.