Anime military female

A boy's whose life was terrible from day one, a boy's whose life was taken away and lived by his little brother. The boy's who was hated by everyone despite doing everything for them. Only a few believed and loved them. The reason, His brother Dai, the golden child of the Hyoudou family, had always been the center of attention. Handsome, charismatic, and ruthless, Dai had taken advantage of Issei's innate kindness, manipulating situations to steal the spotlight. The outcome, he was hated and…