Contract Worker on the Battlefield

Veteran Lin Rui, burdened by heavy debts and a difficult life, couldn't find a job. After another failed job interview, he coincidentally met a mysterious middle-aged man, who offered him a contract with a military security company. His life changed from then on. He became a contract worker active on the world's battlefields. Transferred to various places around the world, he carried out highly dangerous missions in hotspots. From an unknown battlefield cannon fodder, he rose to become the legendary mercenary king.