Dressed as a Little Trash, He Turned into a King with a Different Surname

Modern elite special forces captain and military doctor Ouyang Xiao takes a spare pharmacy and travels back in time to Ouyang Xiao, the 16-year-old only son of the down-and-out general of the Great Xia Dynasty. His engagement was broken off by the prime minister's daughter after crossing the local area... With his super high medical skills and modern pharmacy, he beat the medical level of the Great Xia era, saved the Queen Mother, cured the epidemic, and was given the title of king with a different surname...