Code Geass: Lelouch of the Empire is an upcoming story written on fanfiction.net . It will feature an AU timeline of R1.
Lelouch of the Empire is an alternate timeline where Lelouch and Nunnally return to the Holy Britannian Empire after the Second Pacific War. In 2017, Lelouch returns to the former Japan, now called Area Eleven.
Nunnally vi Britannia