Xu Zixun, the ace mercenary of the third type of unit that is stronger than the special forces, was living together as a fiancé to protect the beautiful granddaughter of the commander, and she also has an extremely cute younger sister. Later, he discovered that Crouching Tiger, Hidden Dragon, International mercenaries, top killers like celestial beings, while protecting them, they find that the incident is getting more and more complicated, challenging the mysterious and powerful fourth type of troops? There is also a pure and beautiful girl with a deep and terrifying background, who kills like an ant! Xiaoqun: 27372432 Code: 27372432 :black thorn