Two sister's lives are torn apart in a war they never wanted, that no one ever wanted. Their family destroyed and separated. In battle, the two will meet again. Can the title stand, will sisters be sisters forever? Are sisters forced by blood? Aria may have lost her sister's trust because of her own moral torture. Marcial will have to battle on her own for the first time, her older sister unable to help from thousands of miles away. Can all battles be won? -Aria is written by Cas, Marcial is written by Estelle-