At the Border of Great Qian, What in the World Is This Awakening to Slay Demons?

【Pure Love】 Synopsis: Three hundred years into the Great Qian dynasty, foreign invaders came. The White Kingdom possessed secret arts for controlling beasts, using them to wreak havoc along the frontier. At the frontier, seventeen years after transmigrating, Li Taiping became a soldier. But when he stopped his superior from abusing a young girl, he was framed with the capital crime of defying his superior. Fortunately, the border was under heavy attack and desperately needed troops, so Li Taiping was assigned to the Death Battalion. Unfortunately, the superior he had offended was the Death Battalion's squad leader, and he wanted Li Taiping dead. On the day wives were assigned to the soldiers, the superior deliberately included the young girl Li Taiping had rescued among the available choices. He was deliberately setting a trap to disgust Li Taiping. Li Taiping couldn't take it anymore and tried to fight back, only to end up on the verge of being eaten alive by dogs. At the critical moment, after biting a vicious but ordinary dog to death, Li Taiping unexpectedly awakened a System for slaying demons and vanquishing evil. 【Ding!】【You have slain a Rank Three demon: Heavenly Cripple Dog (juvenile form)】 Li Taiping was stunned. Hadn't he killed the most ordinary dog imaginable? Whatever. “I said, I'm taking him with me today!” Before long, Li Taiping discovered that the System classified every ordinary animal as a demon! Li Taiping began cleaning out the dynasty's corrupt officials, starting at the frontier. Years later, when Li Taiping saw the demons filling the sky, just newly awakened, he simply raised his sword. “This is the Great Qian dynasty. Demons are forbidden here!”