· Previous life: Commander of the Chinese "Long Yan" special forces, master of tactics, proficient in combat, infiltration, and modern military theory.
· This life: He traveled through time and became the distant nephew of Lu Yunsheng, the "tong" leader of the Shanghai Bund Youth Gang. His parents died and he came to seek refuge with him. Bearing a blood feud and national justice.
· Su Moxue: A cold and strong field doctor, the protagonist's "white moonlight" and spiritual harbor.
· Qin Wanqing: The daughter of a Green Gang boss, charming and fierce, good at intelligence, she is the protagonist's "black rose" and career assistant.
· Song Mingyue: A talented economist who returned from studying abroad, a branch of the Song family, the protagonist's "money bag" and the helmsman of the business empire.
· The daughter of a Japanese noble: can be used as a key intelligence source and play an unexpected role in the game between the protagonist and Japanese high-level officials.
