Return of the Soldier King: Lone Wolf Operation

Former strategic special forces soldier Ling Feng retired due to psychological trauma and took on the responsibility of raising his sister. However, his younger sister, who was in her rebellious youth, did not have a good relationship with him. With a serious mentality of comparison, she accidentally fell into the trap of a lending organization. After learning that his sister had been kidnapped by an illegal organization, Ling Feng summoned his former comrades to start a fight