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Instructor Gu Jiu was transformed into a sick boy who had just turned four years old. His parents almost died when he first arrived. Besides being poor, he had many children. He gave birth to three sick boys in a row, but there were also powerful enemies who were eyeing him. The family regards the three siblings as their treasures and would rather endure hardship and hardship to save them. Gu Jiu decides to change his living environment to repay them. Holding the system in his hand, he obtained formations, secrets, medical skills, hunted game, cured his family members, fed his brothers and sisters until they were fat, sent them to the martial arts school to practice martial arts, and provided advice to his parents to make great achievements. Unexpectedly, in the end, he became the youngest general of the Qinglong Kingdom, and was even relied upon by the Twelve Emperor's Uncle.