Characters from Fate/hollow ataraxia HD Wallpaper

Five anime characters are depicted against a background of glowing blue geometric patterns and starry effects. From left to right, a character with long white hair and a red scarf stands on a circular platform. Next is Saber with blonde hair in a braid, followed by a character with dark brown hair in pigtails. To the right, a character with short red hair wears a dark suit and tie, with electrical energy emanating from their hand.