 If you liked
Code Geass: Hangyaku no Lelouch
|
 ...then you might like
Toaru Hikuushi e no Koiuta
|
In both shows:
There are characters who hide their real identity.
Someone from the noble class is living a normal life.
Characters hide their feeling of hatred while acting as good people.
In Code Geass people fight with mecha, in Toaru they use airplanes.