Code Geass: Lelouch of the Revolution

Just before Suzaku could even think about murdering his father, a young Britannian Prince came into the dark room and ordered a peace treaty between Japan, him and his sister. In exchange, he'd turn on his motherland and sell out information that would be useful in both strategic and tactical battles between the two countries.

What happens when even after 7 years, the two countries are still fighting and the Chinese Federation along with the EU join the war? Will Japan surrender and swallow their pride? Or, will they become one with ancient traditions? You'll have to read this book to find out...