Valvrave the Liberator (革命機ヴァルヴレイヴ, Kakumeiki Varuvureivu, lit. Revolution Machine Valvrave) is a Japanese mecha anime series, produced by Sunrise. It is directed by Kō Matsuo and written by Ichirō Ōkouchi. The series is set in a futuristic date in which three factions divided from 70% of mankind are in war.