Special Forces Starts with the Sign-In System

Travel through the world of special forces, integrate the strongest special forces sign-in system, and defeat the kings of all kinds of soldiers. "Eagle Eye Skill, take the head of a thousand soldiers." "Listen to all directions, and all movements are under my control." "Photosynthetic induction shooting technique, kills with one shot, no bullets missed." "Will-enhancement method..." "How to strengthen your body..." I am the strongest special soldier despite beating all the soldiers.