Nunnally has declared Lelouch and Suzaku as her enemies. By siding with Schneizel she is allowing the use of the F.L.E.I.J.A., but she has been led to believe the destructive weapon would be used only when necessary. However, Schneizel has other plans
You understand why
I'm doing this evil, don't you?
Du verstehst doch, warum ich
Böses tun musste, oder?
Tu sais pourquoi
je suis obligé de faire le mal.