Code Geass: Nightmare of Nunnally characters and mechs HD Wallpaper

A group of anime characters are depicted in the foreground, with two large mechs on the left. The characters include a man with black hair and a sinister smile, a woman with pink hair, a woman with blonde hair and red ribbons, a man with brown hair, and an older man with white hair. The mechs are dark purple and white with gold accents. Text in Japanese and English is present at the bottom.