Daming Demon Suppression Division: Awakening of Demon Eyes at the Beginning

A good-for-nothing clerk was brutally killed, and his sister mutated into a monster. He took the scroll of the Book of Mountains and Seas to kill all the monsters in the world, and changed his fate against the will of heaven, just to exchange for her to become a human again, and even attracted the iceberg female commander to protect her wholeheartedly!