NatsuKiritogirl
Twins, Ai and Yuki are split up at birth Ai going to the rebels and Yuki going to the Capital. 16 years later they grow up not knowing about each other one an assassin the other a knight. When they meet their fates are tested and soon they find what side is good and which is evil specially when the Capital creates a new breed of human, Midnights and soon are regretting it.