The Nation's Guardian War God: From the Start, I Sign In as a Recruit

After transmigrating into the body of a new recruit with the worst physical fitness in his unit, Lin Rui faces the threat of being cut. Fortunately, his sign-in System awakens: as long as he signs in at special locations, he can claim incredible rewards! His fitness, skills, and equipment all improve by leaps and bounds. From army reconnaissance soldier, to a special forces soldier in the “Wolf Fang” unit, and then to a super-soldier built for the future, he makes his mark on the world with the System and an iron will. When the shadow of war looms, he has already become Huaxia's strongest guardian, a worthy guardian deity of the nation!