Lin Hao transmigrated to a Xuanhuan world filled with various races, becoming the son-in-law of the Zhao family. Initially believing he would spend the rest of his life in frustration, he bound to a god-level evolved animal system. "Ding, your fly killer has enhanced claws, carrying metal weapons, sharp as blades!" "Ding, your pet spider has completed its evolution, gaining special skills, deadly toxins!" ... From then on, a mysterious killer organization appeared in the world, using animals as subordinates, killing silently. "I'm sorry, my soldiers are actually animal keepers, the animals are the real army!" Looking at the panicked enemy army, Lin Hao said calmly.