Valvrave the Liberator

Plot
Kakumeiki Valvrave, also known as Valvrave the Liberator, is an anime about an era where 70% of the human race lives in space due to the development of space cities. A young high school student named Haruto Tokishima gets involved in a war when he finds a humanoid weapon called Valvrave. The mecha was hidden in Jiōru, a nation that is supposed to be neutral in the fight between the Dorushia Military Pact Federation and the Atlantic Ring United States (ARUS). With his discovery, Haruto's life is changed.