Brother of the Tang Dynasty

Chen Xun goes on a mushroom-hunting trip to repay debts but accidentally falls into a cave and travels back to the Tang Dynasty during the An-Shi Rebellion. Using modern knowledge and a system space, he gathers refugees, builds a guard team, and leads them to survive the chaotic times. Equipped with modern gear, he defeats the rebels. He meets Princess A Yao, a fleeing princess, and Yueluo Ge Yue, a female general from the Tuyuhun, while facing court suspicion and rebel threats. Despite the dangers, he persists in keeping everyone alive and strives to find a way for all of them to survive.