The Hybrid Weapon

Long ago, before the war between angels and demons, people lived in harmony. Everyone knew about the demons and angels, yet no one hated them. One day the humans put together a government. The people in this government were cruel monsters. They would experiment on their own kind, along with demons and angels. They would even force them to conceive a child to further their experiments. When the demons and angels found out, they rebelled and started to attack the government in retaliation. Then both sides noticed how dangerous the children were, so they sought out to exterminate them all.......
That is just part of the prologue, read the book to find out the rest.